何谓“入德之门”?

 What is So-called“ the Gateway 
   to the Virtue Realm of Sagehood?

学为圣贤：“入德之门” 及为学者进德修业次第的义理阐释

Learning to Be a Sage: The “Gateway to the Virtue Realm of Sagehood ” and Its Neo-Confucian Exposition of the Sequence of Advancing in Virtue and Cultivating the Self

引言

“入德之门”，是北宋程颢、程颐兄弟在建构理学工夫论时，对《大学》一书价值的核心界定。这一界定的核心义涵，是将《大学》中所阐述的为学次序、修身工夫，视为儒家学者涉足道德实践的必经门径。从儒学发展的历史脉络看，二程的这一论断并非简单的文献推崇，而是在汉唐儒学注疏传统的基础上，重新挖掘《大学》的工夫论价值，将其从《礼记》中的一篇独立出来，作为对抗佛道二教心性修养理论、重构儒家成德之学的关键依据。南宋朱熹接续二程的学术思路，进一步做了系统化梳理：他重新编定《大学》文本次序，撰写《大学章句》，将《大学》与《中庸》《论语》《孟子》合编为《四书》，确立了《大学》在儒家经典中的核心地位。朱熹完全认同二程对 “入德之门” 的定位，将这一范畴整合进完整的理学工夫论体系中，成为后世理解儒家道德修养的基础性范式。 

Introduction

The “Gateway to the Virtue Realm of Sagehood ” is the core assessment of the value of the book The Great Learning made by the brothers Cheng Hao and Cheng Yi during the Northern Song dynasty as they constructed the Neo-Confucian theory of self-cultivation. The central meaning of this assessment is to regard the order of learning and the work of self-cultivation expounded in The Great Learning as the indispensable gateway through which Confucian scholars must enter moral practice. Seen from the historical development of Confucianism, this thesis of the Cheng brothers was not merely a recommendation of a text; rather, building on the exegetical tradition of Han and Tang Confucianism, they rediscovered the value of The Great Learning for self-cultivation theory, separated it from being merely one chapter in the Book of Rites, and used it as a crucial basis both for countering the mind-nature cultivation theories of Buddhism and Daoism and for reconstructing the Confucian learning of perfecting virtue. In the Southern Song, Zhu Xi carried forward the Cheng brothers’ line of thought and systematized it further: he re-edited the textual order of The Great Learning, wrote Commentary on the Great Learning in Chapters and Verses, and combined The Great Learning with The Doctrine of the Mean, The Analects, and The Mencius into the Four Books, thereby establishing the core position of The Great Learning among the Confucian classics. Zhu Xi fully endorsed the Cheng brothers’ designation of the “Gateway to the Virtue Realm of Sagehood ” and integrated this category into a complete Neo-Confucian system of self-cultivation theory, making it the foundational paradigm through which later generations understood Confucian moral cultivation.

在程朱理学的话语体系中，“圣贤” 是道德修养的最高目标，也是儒家学者毕生践行的价值标准。如何抵达这一目标，工夫论的建构成为关键。在二程看来，不同于佛道二教追求 “遗世独立” 的修行路径，儒家的成德之学，必须是一个由日常实践入手、步步推进、有本有源的完整进程，而 “入德之门” 正是这一进程的逻辑起始点。这个命题的理论意义，在于明确了儒家道德修养并非悬空讨论心性，而是存在一个确定可循的下学上达路径，这一路径的文本依据正是《大学》。而《大学》中阐述的 “格物、致知、诚意、正心、修身、齐家、治国、平天下” 八条目，正是这一修养路径的具体展开，这一整套由初学入门到成德达道的阶梯结构，解决了学为圣贤的实践路径问题。 

Within the discourse of Cheng-Zhu Neo-Confucianism, the “sage” is the highest goal of moral cultivation and the standard of value that Confucian scholars practice throughout their lives. How to reach this goal makes the construction of a theory of self-cultivation crucial. In the view of the Cheng brothers, unlike the Buddhist and Daoist pursuit of a path of cultivation that “withdraws from the world and stands alone,” the Confucian learning of perfecting virtue must be a complete process that starts from daily practice, advances step by step, and possesses both roots and sources, and the “Gateway to the Virtue Realm of Sagehood ” is precisely the logical starting point of this process. The theoretical significance of this proposition lies in clarifying that Confucian moral cultivation is not an abstract discussion of mind and nature but that there exists a definite and followable path of “lower learning leading to higher understanding,” and the textual basis for this path is exactly The Great Learning. The “eight items” expounded in The Great Learning—investigation of things, extension of knowledge, making the will sincere, rectifying the mind, cultivating oneself, regulating the family, governing the state, and bringing peace to the world—are the concrete unfolding of this path of cultivation. This entire stepped structure, from the beginner’s entrance to the perfection of virtue and attainment of the Way, solves the problem of the practical path for learning to be a sage.

时至今日，理解 “入德之门” 的理论内涵，仍然必须以二程、朱熹的经典论述为核心依据。本文的阐释原则，是严格以程朱原著原文为根本基准，以现代学界的相关学术研究为补充支撑，紧扣《大学》所提供的 “三纲领八条目” 的完整逻辑框架，从理论内涵、工夫方法、理论意义三个维度逐层展开解析，重点探究 “入德之门” 在整个儒家进德体系中的基础地位，以及它如何通过格物致知等一系列次第工夫，将道德修养从初学入门逐步推扩到内圣外王的圣贤境界。这一研究路径，既符合程朱本人对《大学》“入德之门” 的经典定位，也能准确把握儒家下学而上达、由切己实践终至超越境界的修养特质。 

Even today, understanding the theoretical content of the “Gateway to the Virtue Realm of Sagehood ” must still be based on the classical expositions of the Cheng brothers and Zhu Xi. The hermeneutic principle of this paper is to take the original texts of the Cheng brothers and Zhu Xi as the fundamental benchmark, to use relevant modern scholarly research as supplementary support, and to adhere closely to the complete logical framework provided by the “three guiding principles and eight items” in The Great Learning. It analyzes the topic layer by layer from the three dimensions of theoretical content, methods of self-cultivation, and theoretical significance, focusing on exploring the foundational position of the “Gateway to the Virtue Realm of Sagehood ” within the whole Confucian system of advancing in virtue, and on how, through a series of sequential practices such as the investigation of things and extension of knowledge, it gradually extends moral cultivation from the beginner’s entrance to the sage-king realm of inner sageliness and outer kingliness. This line of inquiry not only conforms to the Cheng-Zhu classical definition of The Great Learning as the “Gateway to the Virtue Realm of Sagehood ,” but also accurately grasps the distinctive characteristic of Confucian cultivation—lower learning leading to higher understanding, and moving from personal, concrete practice to a realm of transcendence.

一、“入德之门” 的内涵：学为圣贤的入门径路 

1. The Connotation of the “Gateway to the Virtue Realm of Sagehood ”: The Entry Path to Learning to Be a Sage

“入德之门” 的核心意涵，是指进入道德生命实践的门径、关口。在程朱理学的诠释体系中，这一范畴并非对某种抽象道德原则的概括，而是对《大学》一书根本价值的界定，指向的是一条由初学切近实践、步步推进至圣贤境界的确定路径。理解这一命题的核心内涵，需要从其概念定义、经典依据和理论指向三个层面，把握其作为道德修养起点的规定性。 

The core meaning of the “Gateway to the Virtue Realm of Sagehood ” refers to the gateway or pass through which one enters the practice of moral life. Within the interpretive system of Cheng-Zhu Neo-Confucianism, this category is not a summary of some abstract moral principle, but a definition of the fundamental value of the book The Great Learning. It points to a definite path that proceeds from the beginner’s immediate practice, advances step by step, and reaches the realm of the sage. To understand the core content of this proposition, one must grasp, on three levels—its conceptual definition, its classical basis, and its theoretical direction—its determination as the starting point of moral cultivation.

1.1 “入德之门” 的概念界定 

1.1 The Conceptual Definition of the “Gateway to the Virtue Realm of Sagehood ”

从语义上看，“入德” 意为进入道德实践的真实境域，摆脱自然生命状态下气质之性的局限，由普通人的自然存在状态，转化为具备自觉道德意识的主体；“门” 即门径、枢纽，特指道德修养的起始关口，同时隐含着 “循此门径，方能登堂入室” 的秩序性指向。在程朱的理论视域中，“入德之门” 并非泛指一般的道德修养方法，而是有着严格的经典限定，直接指向《大学》所阐述的为学次第。 

Semantically, “entering virtue” means entering the genuine realm of moral practice, casting off the limitations of the physical nature inherent in the natural state of life, and transforming from the ordinary natural existence of a human being into a subject equipped with conscious moral awareness. “Gate” means an entrance or pivotal point, specifically denoting the initial pass of moral cultivation, and at the same time implies the sequential orientation that “only by following this gate can one ascend the hall and enter the inner chamber.” In the theoretical perspective of the Cheng brothers and Zhu Xi, the “Gateway to the Virtue Realm of Sagehood ” does not refer to methods of moral cultivation in general; rather, it has a strict classical restriction, pointing directly to the order of learning set forth in The Great Learning.

二程首次明确将《大学》定性为 “入德之门”，提出 “《大学》，孔氏之遗书，而初学入德之门也”，将这一经典的核心价值锚定在道德实践的起点之上。这一论断的理论针对性，是批判当时学者为学缺乏确定的次第指引，茫然于成德的正确路径。程颐曾在回答初学者如何为学时，明确指出：“入德之门，无如《大学》”，在他看来，《大学》的独特价值，在于它保留了古人完整且循序渐进的为学次序，这是《论语》《孟子》等经典都无法替代的。学者只有经由《大学》的指引，才能走上正确的道德修养路径，不至于走入歧途。 

The Cheng brothers were the first to explicitly characterize The Great Learning as the “Gateway to the Virtue Realm of Sagehood ,” stating that “The Great Learning is a surviving text of Confucius and serves as the gate through which beginners enter virtue,” thereby anchoring the core value of this classic at the very starting point of moral practice. The theoretical target of this thesis was to criticize scholars of the time for lacking a definite sequential guide in their learning and for being at a loss about the correct path to perfecting virtue. When answering a beginner’s question about how to pursue learning, Cheng Yi explicitly pointed out: “For the gate to enter virtue, nothing compares to The Great Learning.” In his view, the unique value of The Great Learning lay in its preservation of the ancients’ complete and step-by-step order of learning, something that even classics like The Analects and The Mencius could not replace. Only under the guidance of The Great Learning could a scholar embark on the correct path of moral cultivation and avoid going astray.

朱熹完全承袭了二程的这一论断，并在《大学章句》的开篇注疏中，进一步强化了这一界定的权威性。他将二程的论断作为《大学》一书的核心定性，明确指出，在《礼记》的众多篇章中，唯有《大学》完整保留了古人循序渐进的为学次第，《论语》《孟子》都在其次；学者必须通过《大学》所提供的次第来修身向学，才能避免偏离正道。从程朱的整体表述来看，“入德之门” 这个概念，实质上包含着明确的双重规定性：一是强调道德修养必须有确定的下学基础，只能从初学者的切己实践入手，不能空谈性命、悬空立论；二是强调《大学》所提供的为学次序的唯一性，将其作为上达圣贤境界的必经不二路径。 

Zhu Xi completely inherited this thesis of the Cheng brothers, and in the opening commentary of his Commentary on the Great Learning in Chapters and Verses, he further reinforced the authority of this definition. He took the Cheng brothers’ thesis as the core characterization of the book The Great Learning and explicitly pointed out that among the many chapters of the Book of Rites, only The Great Learning had completely preserved the ancients’ step-by-step order of learning, to which The Analects and The Mencius were secondary; a scholar had to cultivate himself and pursue learning through the sequence provided by The Great Learning in order to avoid deviating from the correct path. Judging from the overall presentation of the Cheng brothers and Zhu Xi, the concept of the “Gateway to the Virtue Realm of Sagehood ” essentially contains a clear twofold determination: first, it stresses that moral cultivation must have a definite foundation in lower learning and can only begin from the beginner’s personal, concrete practice; one must not engage in empty talk about human nature and destiny or build theories in a vacuum; second, it emphasizes the uniqueness of the order of learning provided by The Great Learning, making it the sole and necessary path for advancing to the realm of the sage.

1.2 “入德之门” 的经典依据：《大学》的为学次第 

1.2 The Classical Basis of the “Gateway to the Virtue Realm of Sagehood ”: The Order of Learning in The Great Learning

“入德之门” 的经典依据，是《大学》所阐述的 “三纲领”“八条目”。这一整套完整的价值和工夫架构，在程朱看来，是先秦儒家唯一保存完好的、逻辑清晰且循序渐进的为学次序，这是《大学》区别于其他儒家经典的独特价值所在。 

The classical basis of the “Gateway to the Virtue Realm of Sagehood ” is the “three guiding principles” and the “eight items” expounded in The Great Learning. In the view of the Cheng brothers and Zhu Xi, this entire, complete structure of values and self-cultivation practice represents the only well-preserved, logically clear, and step-by-step order of learning from pre-Qin Confucianism. This is the unique value that distinguishes The Great Learning from other Confucian classics.

从文本结构上看，《大学》在先秦儒家典籍中独一无二。它不像《论语》《孟子》那样多是短章语录、随機对答，而是以一种 “形神皆聚” 的层层递进逻辑，将道德修养的目标和实践步骤系统化、条理化。《大学》开篇就提出 “大学之道，在明明德，在亲民，在止于至善” 的三纲领，这是整个儒家进德之学的总目标，标定了道德修养从明复自身德性开始、到推己及人、最终达到至善境界的完整价值方向。三纲领的实现路径，正是八条目所提供的具体实践次第。《大学》对八条目做了明确的逻辑递进表述，从 “格物” 开始，依次推进到 “致知”“诚意”“正心”“修身”“齐家”“治国”，最终抵达 “平天下”，形成了一个环环相扣、循序渐进的完整链条。这种严格的逻辑递进结构，在先秦多为 “形散” 短章的典籍中极为罕见。这也是二程、朱熹将《大学》视为 “入德之门” 的重要原因：它提供了一个步骤清晰、可落地、可遵循的修养施工图，为学者指明了一条可从初学起步、最终通达超越目标的实践路径。 

In terms of textual structure, The Great Learning is unique among pre-Qin Confucian texts. Unlike The Analects and The Mencius, which largely consist of short sayings and offhand dialogues, it employs a progressive logic in which “both form and spirit are gathered,” systematizing and structuring the goals and practical steps of moral cultivation. Right at its opening, The Great Learning presents the three guiding principles: “The way of great learning lies in manifesting one’s illustrious virtue, in loving the people, and in resting in the highest good.” These are the overall goal of the entire Confucian learning of advancing in virtue, marking the complete value orientation that starts from manifesting and recovering one’s own virtue, extends to others, and ultimately reaches the realm of the highest good. The path for realizing the three guiding principles is precisely the concrete sequence of practice provided by the eight items. The Great Learning explicitly expresses the eight items in a clear logical progression: beginning with the “investigation of things,” it proceeds in sequence to “extension of knowledge,” “making the will sincere,” “rectifying the mind,” “cultivating oneself,” “regulating the family,” “governing the state,” and finally reaches “bringing peace to the world,” forming a complete chain that is interlocking and step-by-step. Such a strict, logically progressive structure is extremely rare among pre-Qin texts that mostly consist of scattered short chapters. This is also an important reason why the Cheng brothers and Zhu Xi regarded The Great Learning as the “Gateway to the Virtue Realm of Sagehood ”: it supplies a clear, practicable, and followable blueprint for cultivation, pointing out a path of practice by which a scholar can begin as a beginner and eventually reach the transcendent goal.

二程的贡献，是从义理层面发掘出《大学》的这一独特价值，将其从《礼记》中独立出来，作为 “四书” 体系的核心纲领，与《论语》《孟子》《中庸》形成由浅入深、彼此配合的完整为学序列。朱熹则进一步完成了《大学》文本的经典化重构。他认为，《大学》的旧本存在错简、脱漏的问题，因此在二程编定的文本基础上，重新加以校勘整理，划分章节，撰写《大学章句》，还专门补充了 “格物致知” 的一章阙文。由此，朱熹将《大学》的文本体系和义理诠释完全系统化，将其塑造为 “四书” 体系的纲领性文献，标定了它在儒家经典中作为道德修养基础典籍的特殊地位。 

The contribution of the Cheng brothers was to bring out this unique value of The Great Learning at the level of philosophical principles, separating it from the Book of Rites and making it the core program of the “Four Books” system, forming, together with The Analects, The Mencius, and The Doctrine of the Mean, a complete learning sequence that progresses from the shallow to the deep and in which each part coordinates with the others. Zhu Xi further completed the canonical reconstruction of the text of The Great Learning. He believed that the old version of The Great Learning suffered from misplaced bamboo slips and omissions; therefore, on the basis of the text edited by the Cheng brothers, he re-collated and re-arranged it, divided it into chapters, wrote Commentary on the Great Learning in Chapters and Verses, and even specially supplemented a missing chapter on the “investigation of things and extension of knowledge.” In doing so, Zhu Xi completely systematized the textual organization and the philosophical interpretation of The Great Learning, shaping it into the programmatic document of the “Four Books” system and marking its special position among the Confucian classics as the foundational text for moral cultivation.

在程朱看来，《大学》的为学次序，是一个由浅入深、由基础到终极、不可随意颠倒的完整序列，完美契合了道德修养由初学入门到成德达道的进程逻辑。这正是二程将其称为 “入德之门” 的根本原因：它不仅提出了明确的道德修养目标，更提供了实现这一目标的唯一可行的实践路径；学者只有遵循《大学》的次序用功，才能真正踏上成德之学的正道。 

In the view of the Cheng brothers and Zhu Xi, the order of learning in The Great Learning is a complete sequence that proceeds from the shallow to the deep and from the foundation to the ultimate end, and its order cannot be arbitrarily reversed; it perfectly matches the process-logic of moral cultivation, from the beginner’s entrance to the perfection of virtue and the attainment of the Way. This is the fundamental reason why the Cheng brothers called it the “Gateway to the Virtue Realm of Sagehood ”: it not only sets out a clear goal for moral cultivation, but also provides the only feasible path of practice for realizing that goal. Only by devoting one’s efforts according to the sequence of The Great Learning can a scholar truly set foot on the correct path of the learning of perfecting virtue.

1.3 “入德之门” 的理论指向：由自然生命到道德生命的跨越 

1.3 The Theoretical Direction of the “Gateway to the Virtue Realm of Sagehood ”: The Leap from Natural Life to Moral Life

程朱理学的道德修养论，以 “学为圣贤” 为最高目标。“入德之门” 作为道德修养的起点，其理论指向是一个质的跨越：由自然生命的存在状态，跨进到道德生命的实践状态。这一跨越，是理解程朱理学工夫论的关键逻辑，框定了整个儒家成德之学的基本方向。 

The moral cultivation theory of Cheng-Zhu Neo-Confucianism takes “learning to be a sage” as its highest goal. As the starting point of moral cultivation, the “Gateway to the Virtue Realm of Sagehood ” points theoretically toward a qualitative leap: from the existential state of natural life to the practical state of moral life. This leap is the key logic for understanding the Cheng-Zhu theory of self-cultivation and frames the basic direction of the entire Confucian learning of perfecting virtue.

在程朱的理论体系中，人性分为 “天地之性” 与 “气质之性”。每个人都与生俱来具备天赋的 “天地之性”，即《大学》所说的 “明德”，这是道德生命的存在论基础。但现实中的人，因为受到气质之性的偏杂蒙蔽，又受到外在欲望的扰乱，原本纯善的天地之性无法得到完全彰显，所以长期处于一种缺乏自觉道德意识、放任自然情欲的自然生命状态。道德修养的根本目标，就是通过切己的实践工夫，变化气质，去除气质之性带来的蒙蔽障碍，明复自身本然的 “天地之性”，然后将这种德性向外推扩，最终成为符合儒家理想人格的圣贤。而 “入德之门” 的意义，正是开启这一实践进程的关键起点，指引人从茫然无觉的自然生命状态中清醒过来，开始自觉地进行道德实践，完成两种生命状态的跨越。 

In the theoretical system of the Cheng brothers and Zhu Xi, human nature is divided into “the nature of Heaven and Earth” and “the physical nature.” Every person is innately endowed with the “nature of Heaven and Earth,” which is the “illustrious virtue” spoken of in The Great Learning; this is the ontological foundation of moral life. However, because actual human beings are obscured by the partiality and impurity of their physical nature and disturbed by external desires, the originally pure and good nature of Heaven and Earth cannot be fully manifested. Hence, they remain for a long time in a natural life state that lacks conscious moral awareness and indulges natural passions. The fundamental goal of moral cultivation is, through personal, concrete practice, to transform one’s physical endowment, remove the obstructions brought by the physical nature, manifest and recover one’s original “nature of Heaven and Earth,” and then extend this virtue outward, finally becoming a sage who conforms to the Confucian ideal personality. The significance of the “Gateway to the Virtue Realm of Sagehood ” is precisely to serve as the key starting point that opens this process of practice, guiding a person to awaken from the oblivious state of natural life, to begin conscious moral practice, and to complete the leap between these two states of life.

这一跨越的实践逻辑，是由 “内圣” 而 “外王”。这是儒家道德修养的根本路径，也是 “入德之门” 所指向的修养次第的核心逻辑。这一逻辑由《大学》的八条目清晰呈现：格物、致知、诚意、正心四目，指向的是个体内心的修养，是明复天地之性的内圣工夫；齐家、治国、平天下三目，指向的是个体德性向外的推扩，是将内在德性转化为社会政治实践的外王工夫；而修身，是联结内圣工夫和外王工夫的枢纽环节，既是内圣工夫的终极完成，也是外王工夫的起点基础。 

The practical logic of this leap is from “inner sageliness” to “outer kingliness.” This is the fundamental path of Confucian moral cultivation and also the core logic of the cultivation sequence to which the “Gateway to the Virtue Realm of Sagehood ” points. This logic is clearly presented by the eight items of The Great Learning: the four items of investigating things, extending knowledge, making the will sincere, and rectifying the mind point to the cultivation of the individual’s inner self—they are the inner-sage practice of manifesting and recovering the nature of Heaven and Earth; the three items of regulating the family, governing the state, and bringing peace to the world point to the outward extension of individual virtue—they are the outer-king practice of transforming inner virtue into social and political practice; and cultivating oneself is the pivotal link connecting the inner-sage and outer-king practices, being both the ultimate completion of the inner-sage practice and the starting-point and foundation for the outer-king practice.

通过这一逻辑，“入德之门” 就不是一个孤立的起点概念，而是内嵌于一个完整的价值链条之中的基础环节：它以《大学》的三纲领为总目标，以八条目为具体实践路径，从格物致知入手，经由诚意、正心、修身的内省实践，再将内在德性推扩于齐家、治国、平天下的外在事功，从而实现完整的圣贤人格理想。这一完整的价值链条，正是 “入德之门” 作为道德修养起点的理论指向。 

Through this logic, the “Gateway to the Virtue Realm of Sagehood ” is not an isolated concept of a starting point, but a foundational link embedded within a complete chain of values: it takes the three guiding principles of The Great Learning as its overall goal, and the eight items as its concrete path of practice; starting from the investigation of things and extension of knowledge, passing through the inner reflective practices of making the will sincere, rectifying the mind, and cultivating oneself, it then extends inner virtue to the outer accomplishments of regulating the family, governing the state, and bringing peace to the world, thereby realizing the complete ideal of the sage personality. This entire chain of values is exactly the theoretical direction of the “Gateway to the Virtue Realm of Sagehood ” as the starting point of moral cultivation.

二、“入德之门” 的工夫：进德修业的次第功夫 

2. The Practice of the “Gateway to the Virtue Realm of Sagehood ”: The Sequential Work of Advancing in Virtue and Cultivating the Self

“入德之门” 并非单纯的理论概念，更指向具体的、可操作的道德实践方法。程朱理学的工夫论，以《大学》的八条目为核心框架，构建起一个由初学入手、层层递进、终成圣德的完整进德序列。理解这一工夫体系，需要把握格物致知、诚意正心、修身齐家治国平天下三个层级的实践次第，理解它们之间先后有序、不可逾越的逻辑关系。 

The “Gateway to the Virtue Realm of Sagehood ” is not merely a theoretical concept; it points even more toward concrete, practicable methods of moral practice. The self-cultivation theory of Cheng-Zhu Neo-Confucianism takes the eight items of The Great Learning as its core framework and constructs a complete sequence for advancing in virtue that starts with the beginner, proceeds step by step through ascending levels, and finally perfects sage virtue. To understand this system of practice, one must grasp the three levels of practical sequence—the investigation of things and extension of knowledge; making the will sincere and rectifying the mind; and cultivating oneself, regulating the family, governing the state, and bringing peace to the world—and understand the logical relationship among them, which is orderly in sequence and cannot be transgressed.

2.1 入门之始：格物致知与主敬涵养 

2.1 The Beginning of Entering the Gate: The Investigation of Things and Extension of Knowledge, and Holding Fast to Reverence and Inner Cultivation

“入德之门” 的下手工夫，可从两个维度进行理解 —— 这也是程朱理学工夫论的核心结构：一是 “入道” 维度的格物致知，二是 “成德” 维度的主敬涵养。二者不可偏废，相辅而行，共同构成初学阶段进德的基础下手工夫。 

The initial work for entering the “Gateway to the Virtue Realm of Sagehood ” can be understood from two dimensions—this is also the core structure of the Cheng-Zhu theory of self-cultivation: one is the investigation of things and extension of knowledge, belonging to the dimension of “entering the Way”; the other is holding fast to reverence and inner cultivation, belonging to the dimension of “perfecting virtue.” The two must not be neglected; they complement each other and together constitute the foundational, initial work for advancing in virtue at the beginner’s stage.

程颐有一句名言：“涵养须用敬，进学则在致知”，这两句话被朱熹视为整个工夫论的纲领，认为 “两言虽约，其实入德之门无逾于此”。在程朱看来，这两项工夫，是学者由初学而入道德实践领域的唯一正确路径。其中，格物致知属于 “进学” 的认知层面工夫，是 “入道” 维度的第一义；主敬涵养属于 “涵养” 的存养层面工夫，是 “成德” 维度的第一义。二者在理论逻辑上有先后，在实践过程中却需要互相发明、并进发展，共同支撑道德修养的基础进程。 

Cheng Yi famously stated: “For inner cultivation, one must use reverence; for advancing in learning, it lies in the extension of knowledge.” Zhu Xi regarded these two sentences as the guiding program of the entire theory of self-cultivation, believing that “though these two sayings are concise, in truth, the Gateway to the Virtue Realm of Sagehood  is nothing other than this.” In the view of the Cheng brothers and Zhu Xi, these two items of practice are the sole correct path for a scholar to pass from beginner’s learning into the domain of moral practice. Among them, the investigation of things and extension of knowledge belongs to the cognitive-level practice of “advancing in learning” and is the primary meaning in the dimension of “entering the Way”; holding fast to reverence and inner cultivation belongs to the preserving and nurturing practice of “inner cultivation” and is the primary meaning in the dimension of “perfecting virtue.” The two have a sequential order in theoretical logic, but in the actual process of practice they must illuminate each other and develop in tandem, together supporting the foundational course of moral cultivation.

2.1.1 格物致知：入道维度的第一义 

2.1.1 The Investigation of Things and Extension of Knowledge: The Primary Meaning in the Dimension of Entering the Way

从 “入道” 的维度看，格物致知是程朱理学为 “入德之门” 设定的开端工夫，是道德修养的认知前提。朱熹在《大学章句》中，严格遵照《大学》的文本逻辑，将格物致知作为整个修养次第的起点；在他补充的《大学》“格物致知” 传文中，对这一工夫的内涵做了详尽阐释，将其定为学者进入道德实践领域的第一步。 

From the dimension of “entering the Way,” the investigation of things and extension of knowledge is the initial practice that Cheng-Zhu Neo-Confucianism establishes for the “Gateway to the Virtue Realm of Sagehood ,” and is the cognitive prerequisite for moral cultivation. In his Commentary on the Great Learning in Chapters and Verses, Zhu Xi strictly followed the textual logic of The Great Learning and made the investigation of things and extension of knowledge the starting point of the entire cultivation sequence. In the supplementary commentary on “the investigation of things and extension of knowledge” that he added to The Great Learning, he provided a detailed exposition of the content of this practice and designated it as the first step for the scholar entering the domain of moral practice.

朱熹的 “格物致知” 说，包含着严密的理论逻辑，是其理学体系中 “即物穷理” 原则的直接落地。他在《大学章句》中注释说：“致，推极也；知，犹识也。推极吾之知识，欲其所知无不尽也。格者，至也；物，犹事也。穷至事物之理，欲其极处无不到也。” 在朱熹看来，人心本然具备认知天理的能力，天下万事万物也都包涵着天理；但因为人受到气质之性的局限，对天理的认知存在很多未尽不明的地方。因此，格物致知的实质，就是要求学者即凡天下之物，都立足于已知的天理，不断去穷尽每个事物的道理，日积月累，一旦豁然贯通，就能抵达对事物的表里精粗、对内心的全体大用都完全理解的境界。到了这种境界，人心就能完全认知本然的善性，道德修养的方向也就彻底明了了。 

Zhu Xi’s theory of “the investigation of things and extension of knowledge” contains a strict theoretical logic and is a direct implementation of the principle of “exhausting principles by coming into contact with things” in his Neo-Confucian system. He commented in his Commentary on the Great Learning: “‘Extension’ means pushing to the limit; ‘knowledge’ is like recognition. Pushing our knowledge to the limit means wanting what we know to be exhaustive. ‘Investigation’ means to arrive; ‘things’ are like affairs. Exhaustively arriving at the principles of things means wanting to reach their ultimate point without anything left unattended.” In Zhu Xi’s view, the human mind inherently possesses the capacity to cognize heavenly principle, and all the myriad things and affairs under heaven also embody heavenly principle; yet because human beings are limited by their physical nature, their cognition of heavenly principle harbors many places where they have not yet fully grasped and understood it. Hence, the substance of the investigation of things and extension of knowledge requires the scholar to approach all things under heaven, basing himself on the heavenly principle already known, and to unceasingly exhaust the principle of each thing, accumulating over days and months, until at a certain point a sudden breakthrough and comprehension is achieved, reaching a state in which the external and internal, the coarse and the subtle of things, and the complete substance and great functioning of the mind are all fully understood. Once this state is reached, the human mind can fully cognize the original good nature, and the direction of moral cultivation becomes thoroughly clear.

朱熹之所以将格物致知作为入德的起点，是基于他的理论认知：道德实践的基础，是先能明晓道德的道理；如果不通过格物致知来穷究事物的天理，连道德的内涵、标准和实践路径都无法明确，后续的一切修养工夫都会失去明确的方向，也就无从开展。因此，格物致知是整个道德修养进程的第一步，也是必须的认知基础。 

The reason Zhu Xi placed the investigation of things and extension of knowledge at the very beginning of entering virtue is based on his theoretical understanding that the foundation of moral practice is first to be able to clearly understand the principles of morality; if one does not, through investigating things and extending knowledge, exhaustively inquire into the heavenly principle in things, then even the content, standards, and practice-path of morality cannot be made clear, and all subsequent cultivation efforts will lose their clear direction and will have no way to proceed. Therefore, the investigation of things and extension of knowledge is the first step of the entire process of moral cultivation, and is its indispensable cognitive foundation.

2.1.2 主敬涵养：成德维度的第一义 

2.1.2 Holding Fast to Reverence and Inner Cultivation: The Primary Meaning in the Dimension of Perfecting Virtue

在程朱的工夫论体系中，格物致知并非独立完成道德修养进程的工夫。学者通过格物致知明晓了道理，还需要主敬涵养的工夫，才能将认知层面的道理转化为自身真实的德性生命；若缺少这一环节，格物致知所得的道理，就仅仅是一种悬空的认知知识，而无法转化为真实的道德实践。 

In the Cheng-Zhu system of self-cultivation theory, the investigation of things and extension of knowledge is not a practice that independently completes the process of moral cultivation. After a scholar has understood the principles through investigating things and extending knowledge, he still needs the practice of holding fast to reverence and inner cultivation in order to transform the principles at the cognitive level into his own genuine life of virtue; if this link is missing, the principles gained from investigating things and extending knowledge remain merely abstract cognitive knowledge and cannot be transformed into real moral practice.

从 “成德” 的维度看，主敬涵养是将格物致知获得的道德认知，转化为真实的道德生命的关键工夫。程颐提出 “入道莫如敬，未有能致知而不在敬者”，已经指出了 “敬” 在修身工夫中的基础作用。朱熹进一步发展了这一思想，将 “敬” 界定为 “主一无适”，即精神集中、专一于天理，不放纵情欲、不散乱精神；他甚至将 “敬” 贯穿于小学和大学的整个修养进程，认为 “敬” 是格物致知得以有效开展的前提 —— 如果没有 “敬” 来收敛身心，维持内心的专一集中，格物致知就无法取得真实有效的效果；同时，“敬” 也是将格物致知所获得的天理，存养熟化为自身德性的桥梁。只有以 “敬” 为统领，才能在格物致知的前后，都保持一种警醒、收敛、不放纵、无散乱的状态，使道德认知与道德实践相互促进，共同提升。 

From the dimension of “perfecting virtue,” holding fast to reverence and inner cultivation is the crucial practice that transforms the moral cognition obtained through investigating things and extending knowledge into a genuine moral life. Cheng Yi stated that “for entering the Way, nothing compares to reverence; there has never been one who could extend knowledge without abiding in reverence,” already pointing out the foundational role of “reverence” in the practice of self-cultivation. Zhu Xi further developed this thought, defining “reverence” as “abiding in one thing and not shifting,” meaning concentrating the spirit and focusing solely on heavenly principle, without indulging passions and desires or scattering the mind. He even threaded “reverence” through the entire cultivation process from elementary learning to great learning, holding that “reverence” is the prerequisite that enables the investigation of things and extension of knowledge to be carried out effectively—if one does not use reverence to gather in body and mind and maintain inner concentration, the investigation of things and extension of knowledge cannot achieve real and effective results. At the same time, “reverence” is also the bridge that preserves, nurtures, and ripens the heavenly principle obtained from investigating things and extending knowledge into one’s own virtue. Only by taking “reverence” as the guiding thread can one maintain, both before and after the investigation of things and extension of knowledge, a state that is alert, gathered in, free from indulgence, and free from mental scattering, so that moral cognition and moral practice mutually propel and enhance each other.

在具体的实践中，格物致知与主敬涵养并非截然分开、阶段性推进的，而是 “互相发明”、并行并进的。朱熹用 “车两轮”“鸟两翼” 来比喻二者的紧密关系：格物致知越透彻，主敬涵养的目标就越清晰、越深入；主敬涵养越成熟，格物致知的效果就越真切、越扎实，二者交相为用，共同支撑起道德修养的起始进程。这正是程朱用这两项工夫作为 “入德之门” 基础路径的根本原因：它同时兼顾了道德认知和道德实践两个层面，实现了知与行的双重统一。 

In concrete practice, the investigation of things and extension of knowledge and holding fast to reverence and inner cultivation are not separated into distinct, phased stages, but “mutually illuminate each other” and advance in parallel. Zhu Xi used the metaphors of a cart’s two wheels and a bird’s two wings to describe their close relationship: the more thoroughly one investigates things and extends knowledge, the clearer and more profound the goal of holding fast to reverence and inner cultivation becomes; the more mature one’s holding fast to reverence and inner cultivation becomes, the more genuine and solid the results of investigating things and extending knowledge will be. The two function in concert, jointly supporting the initial course of moral cultivation. This is exactly the fundamental reason why the Cheng brothers and Zhu Xi employed these two practices as the foundational path of the “Gateway to the Virtue Realm of Sagehood ”: it simultaneously attends to the two dimensions of moral cognition and moral practice, realizing a twofold unity of knowledge and action.

2.2 入德之进：诚意正心 

2.2 Progressing in Entering Virtue: Making the Will Sincere and Rectifying the Mind

通过格物致知与主敬涵养的基础工夫，学者明晓了道德的道理，建立了道德认知的初步根基，接下来就需要进入 “诚意正心” 的修持环节。这一环节是连接外在格物致知与内在心性修养的关键节点，是将外在的道德认知转化为内在真实德性的进阶工夫，在整个八条目次第中，承担着 “内圣之枢” 的重要作用。 

After establishing the initial foundation of moral cognition through the foundational practices of investigating things and extending knowledge and holding fast to reverence and inner cultivation, the scholar understands the principles of morality and must then enter the cultivation stage of “making the will sincere and rectifying the mind.” This stage is the crucial node that links the outward investigation of things and extension of knowledge with the inner cultivation of mind and nature; it is the advanced practice that transforms external moral cognition into inner, genuine virtue. Within the entire sequence of the eight items, it plays the important role of “the pivot of inner sageliness.”

《大学》对诚意正心的内涵做了明确界定，朱熹在《大学章句》中做了深入阐释，点明了这两项工夫对匡正心性的意义。所谓 “诚意”，就是要做到不自欺，让内心的真实意念符合明晓的道理，就像厌恶恶臭、喜好美色那样，是一种发自内心的真实自觉；而 “正心”，则是要做到不被忿懥、恐惧、好乐、忧患等个人情感所左右，保持内心的中正平衡，让天理在心中处于主导地位。 

The Great Learning clearly defines the content of making the will sincere and rectifying the mind, and Zhu Xi, in his Commentary on the Great Learning in Chapters and Verses, offered an in-depth exposition, pointing out the significance of these two practices for correcting the mind and nature. “Making the will sincere” means not deceiving oneself, ensuring that the genuine intentions of the heart conform to the understood principles, just as one naturally hates foul odors and loves beautiful colors—it is a genuine, spontaneous self-awareness arising from within. “Rectifying the mind” means not allowing one’s mind to be swayed by personal emotions such as anger, fear, fondness, and anxiety, thereby maintaining inner centeredness and balance and allowing heavenly principle to hold a dominant position in the mind.

从工夫论的逻辑来看，诚意正心，实质上是在格物致知的基础上，对内心世界的进一步修炼和匡正，是由外向内贯通的关键环节。格物致知是向外穷理，而诚意正心则是向内用功，将通过格物致知获得的天理贯彻到心识的每一个角落，做到表里如一、真实无妄。这一环节，决定了道德修养能否建立在坚实的基础之上，能否避免 “知而不行” 的虚假困境：如果仅有格物致知的认知，却没有诚意正心的内化工夫，道德认知就只是一种外在的知识，无法转化为真实的道德实践。 

From the logic of the theory of self-cultivation, making the will sincere and rectifying the mind is essentially a further training and correction of the inner world on the foundation of investigating things and extending knowledge; it is the key link that connects from the outside to the inside. Investigating things and extending knowledge is directed outward to exhaust principles, while making the will sincere and rectifying the mind applies effort inwardly, carrying the heavenly principle obtained through investigating things and extending knowledge through to every corner of the mind and consciousness, so as to achieve consistency between the inner and outer and truthfulness without falsity. This link determines whether moral cultivation can be built on a solid foundation and whether it can avoid the false predicament of “knowing but not acting”: if one only has the cognition from investigating things and extending knowledge but lacks the inner transformative practice of making the will sincere and rectifying the mind, moral cognition remains merely external knowledge and cannot be transformed into genuine moral practice.

从整个修养的次第进程来看，诚意正心的地位也极为关键。《大学》的八条目，以修身为界，分为 “内圣” 和 “外王” 两个部分：格物致知是内圣工夫的基础，诚意正心是内圣工夫的推进深化，修身是内圣工夫的终极完成；而齐家、治国、平天下，则是内圣德性向外推扩的外王工夫。诚意正心，正好处于这两个部分的中间衔接位置 —— 它上承格物致知所明晓的天理，下启修身齐家的道德实践，将向外的认知和向内的存养贯通为一体，是整个内圣工夫中，将道理内化于心的关键一环。 

From the perspective of the entire sequential process of cultivation, the position of making the will sincere and rectifying the mind is also extremely crucial. The eight items of The Great Learning, with cultivating oneself as the boundary, are divided into two parts—“inner sageliness” and “outer kingliness”: the investigation of things and extension of knowledge are the foundation of the inner-sage practice; making the will sincere and rectifying the mind are the advance and deepening of the inner-sage practice; cultivating oneself is the ultimate completion of the inner-sage practice; while regulating the family, governing the state, and bringing peace to the world are the outer-king practice of extending inner sagely virtue outward. Making the will sincere and rectifying the mind lies precisely at the intermediate juncture of these two parts—it carries on from the heavenly principle clarified through the investigation of things and extension of knowledge and opens the way to the moral practice of cultivating oneself and regulating the family, linking outward cognition and inner nurturing into a single whole. It is the crucial link within the whole inner-sage practice by which principle is internalized in the mind.

这一环节的重要价值，还在于它明确了儒家道德修养的严格标准：必须从心性层面入手，做到表里如一、真实无妄；仅仅依靠外在的格物致知，无法真正成就德性；只有在诚意正心的基础上，才能继续推进修身、齐家、治国、平天下的外王工夫。 

The important value of this stage also lies in its clarification of the strict standard of Confucian moral cultivation: one must begin at the level of mind and nature, achieving consistency between inner and outer and truthfulness without falsity. Relying only on the outward investigation of things and extension of knowledge cannot truly perfect virtue; only on the foundation of making the will sincere and rectifying the mind can one continue to advance to the outer-king practices of cultivating oneself, regulating the family, governing the state, and bringing peace to the world.

2.3 成德之推：修身齐家治国平天下 

2.3 The Extension of Perfecting Virtue: Cultivating Oneself, Regulating the Family, Governing the State, and Bringing Peace to the World

经过诚意正心的内在修持，个体的道德修养已经达到一定的境界，但这并非儒家道德修养的终极目标。儒家的理想，是将内在的德性向外推扩，在社会人伦和政治实践中验证德性、完善德性。因此，“入德之门” 的完整实践路径，必然以修身作为枢纽环节，进一步贯通外王层面的齐家、治国、平天下工夫，实现内圣外王的统一。 

After the inner cultivation of making the will sincere and rectifying the mind, the individual’s moral cultivation has reached a certain level, but this is not the ultimate goal of Confucian moral cultivation. The Confucian ideal is to extend inner virtue outward, to verify and perfect virtue in social relationships and political practice. Therefore, the complete practical path of the “Gateway to the Virtue Realm of Sagehood ” necessarily takes cultivating oneself as the pivotal link and further extends to the outer-king practices of regulating the family, governing the state, and bringing peace to the world, thereby realizing the unity of inner sageliness and outer kingliness.

2.3.1 修身：联结内圣与外王的枢纽 

2.3.1 Cultivating Oneself: The Pivot Linking Inner Sageliness and Outer Kingliness

在《大学》的八条目中，修身居于核心枢纽的地位，是整个儒家进德次第的中心环节。《大学》对此有明确的总结性表述：“自天子以至于庶人，壹是皆以修身为本。” 朱熹在《大学章句》中反复强调，修身是根本的基础环节，前面的格物、致知、诚意、正心，都是为了完成修身的内在前提；而后面的齐家、治国、平天下，则是修身的外在效果；如果修身的根本环节出现问题，后面的所有实践都不可能取得真正的成功。 

Among the eight items of The Great Learning, cultivating oneself occupies the central, pivotal position and is the core link in the entire Confucian sequence of advancing in virtue. The Great Learning has a clear, summative statement on this: “From the Son of Heaven down to the common people, all without exception take cultivating oneself as the root.” In his Commentary on the Great Learning in Chapters and Verses, Zhu Xi repeatedly stressed that cultivating oneself is the fundamental and foundational link. The preceding items—the investigation of things, the extension of knowledge, making the will sincere, and rectifying the mind—all serve as the inner prerequisites for completing cultivating oneself; the subsequent items—regulating the family, governing the state, and bringing peace to the world—are the outer effects of cultivating oneself. If a problem occurs in the root link of cultivating oneself, none of the subsequent practices can truly succeed.

从逻辑内涵上看，修身这一工夫，是对前四目 “格致诚正” 的整体整合与最终完成。格物、致知、诚意、正心，分别从认知、存养、意念、心智四个层面，为修身提供了必要的基础条件；但这四项目标，必须通过修身的实践才能完全整合落地，将分散的工夫凝结为完整的、稳定的道德人格。只有完成了修身的工夫，内在的德性才算真正建立起来，具备了向外推扩、转化为外在事功的基础。 

From the perspective of its logical content, the practice of cultivating oneself is the overall integration and final completion of the preceding four items: investigating things, extending knowledge, making the will sincere, and rectifying the mind. These four provide the necessary foundational conditions for cultivating oneself from the four dimensions of cognition, nurturing, intention, and mental state respectively; but these four aims can only be fully integrated and realized through the practice of cultivating oneself, coalescing the dispersed efforts into a complete and stable moral personality. Only when the practice of cultivating oneself is completed can inner virtue truly be established, providing the foundation for extending it outward and transforming it into outer accomplishments.

2.3.2 齐家、治国、平天下：德性的向外推扩 

2.3.2 Regulating the Family, Governing the State, and Bringing Peace to the World: The Outward Extension of Virtue

在程朱的理论体系中，修身的完成并非道德修养的终点。儒家之所以将修身作为根本基础，其本意是由己及人、由内向外，将个体的德性逐步推扩到家庭、国家，乃至天下全境。这一完整的向外推扩过程，就是齐家、治国、平天下的外王工夫。这是一个步步推进、层层扩展的完整序列，有严格的先后顺序，不可逾越、不可颠倒。 

In the theoretical system of the Cheng brothers and Zhu Xi, the completion of cultivating oneself is not the endpoint of moral cultivation. The fundamental reason why Confucianism takes cultivating oneself as the root foundation is precisely to extend from oneself to others and from the inner to the outer, gradually expanding the individual’s virtue to the family, the state, and ultimately to the whole world. This entire process of outward extension is precisely the outer-king practice of regulating the family, governing the state, and bringing peace to the world. It is a complete sequence that advances step by step and expands layer by layer, with a strict sequential order that cannot be transgressed or reversed.

“齐家”，是指整顿家族，用自己的德性去感化、规范家族成员，使家族内部的伦理关系都能达到理想的道德标准。这是个体德性向外推扩的第一步。在程朱看来，家庭是最基础的社会单位，也是实践道德的第一场所；一个人如果不能管好自己的家族，就不可能将德性向外推扩，更不可能影响、治理家族以外的社会人群。因此，齐家是联结修身与治国的第一环节，是外王工夫的真实起点。 

“Regulating the family” means putting the family in order, using one’s virtue to transform and regulate family members, so that the ethical relationships within the family can all reach the ideal moral standard. This is the first step in extending individual virtue outward. In the view of the Cheng brothers and Zhu Xi, the family is the most basic unit of society and the first site for practicing morality. If a person cannot manage his own family well, he cannot possibly extend his virtue outward, much less influence and govern social groups beyond the family. Therefore, regulating the family is the first link connecting cultivating oneself with governing the state, and is the genuine starting point of outer-king practice.

“治国”，是齐家的进一步推扩，指治理国家，将个人的德性、齐家的伦理实践，转化为治理社会、管理国家的政治实践。在程朱看来，家庭伦理是政治伦理的基础，齐家的 “孝悌慈” 道德准则，可以直接转化为治国的 “仁礼义” 政治原则；一个能尽孝悌于家族的人，才能将这种仁爱之心推扩到全社会，真正施行仁政，实现一国范围内的道德教化。 

“Governing the state” is the further extension of regulating the family, referring to the governance of the state—transforming the individual’s virtue and the ethical practice of regulating the family into the political practice of governing society and managing the state. In the view of the Cheng brothers and Zhu Xi, family ethics is the foundation of political ethics; the moral standards of “filial piety, fraternal respect, and parental kindness” used in regulating the family can be directly transformed into the political principles of “humaneness, ritual propriety, and rightness” in governing the state. Only a person who can fulfill filial piety and fraternal respect within the family can extend this mind of humaneness and love to the whole society, truly implement humane governance, and realize moral transformation within the entire state.

“平天下”，是外王工夫的终极目标，也是整个儒家道德修养的终极境界。它是治国的进一步推扩，将德性的影响扩展到整个天下，实现全天下的道德教化，建立一个人人都能明其明德、各得其宜、无不平齐的理想社会。在程朱看来，这不是一种虚无缥缈的理想，而是可以通过一步步实践达成的目标：只要经由格物致知、诚意正心、修身、齐家、治国的完整工夫，将德性的推扩不断放大，日积月累，就能最终实现天下大同的仁道理想。 

“Bringing peace to the world” is the ultimate goal of the outer-king practice and also the ultimate realm of the entire Confucian moral cultivation. It is the further extension of governing the state, expanding the influence of virtue to the entire world, realizing moral transformation throughout all under heaven, and establishing an ideal society in which everyone can manifest their illustrious virtue, each obtains what is fitting, and nothing is unequal or unpeaceful. In the view of the Cheng brothers and Zhu Xi, this is not an illusory and ethereal ideal, but a goal that can be reached through step-by-step practice. As long as one passes through the complete practice of investigating things and extending knowledge, making the will sincere and rectifying the mind, cultivating oneself, regulating the family, and governing the state, and continuously amplifies the extension of virtue, over days and months of accumulation, one can ultimately realize the humane ideal of the Great Harmony of the world.

这一整套 “修身 — 齐家 — 治国 — 平天下” 的外王序列，紧密承接于内圣的格致诚正工夫，共同构成了《大学》八条目 “内圣外王” 的完整逻辑结构。在这一结构中，前四目是后四目的基础，后四目是前四目的推扩和落地；没有内圣的基础，外王的推扩就失去了根本依据；而没有外王的推扩，内圣的德性也无法得到充分验证，二者紧密关联，缺一不可。这也正是儒家道德修养区别于佛道修养的关键特质：它不是一种单纯的个人心性修养，而是必须在家庭、社会、天下的实际人伦事务中，才能完成德性的完整实践，最终成就 “博学而不穷，笃行而不倦” 的圣贤人格。 

This entire outer-king sequence of “cultivating oneself—regulating the family—governing the state—bringing peace to the world” closely follows from the inner-sage practices of investigating things, extending knowledge, making the will sincere, and rectifying the mind, and together they form the complete logical structure of “inner sageliness and outer kingliness” in the eight items of The Great Learning. In this structure, the first four items are the foundation for the last four, while the last four are the extension and realization of the first four. Without the foundation of inner sageliness, the extension of outer kingliness loses its fundamental basis; without the extension of outer kingliness, the virtue of inner sageliness cannot be fully verified. The two are closely linked and neither can be dispensed with. This is precisely the key characteristic that distinguishes Confucian moral cultivation from Buddhist and Daoist cultivation: it is not a purely personal cultivation of mind and nature, but must be carried out in the concrete human relationships and affairs of family, society, and the world in order to complete the full practice of virtue and ultimately achieve the sage personality of one who “learns broadly without ever stopping and practices earnestly without ever wearying.”

三、“入德之门” 的意义：下学而上达，至于圣人 

3. The Significance of the “Gateway to the Virtue Realm of Sagehood ”: Lower Learning Leads to Higher Understanding, Reaching the Sage

“入德之门” 的理论价值，在于它构建了一套完整的、可落地的道德修养路径。从程朱的整体论述来看，这一范畴的核心意义，是指明了儒家道德修养由浅入深、由初级到终极、由切己实践到超越境界的完整进程，将 “学为圣贤” 的目标与切实可行的下学工夫紧密联结起来。 

The theoretical value of the “Gateway to the Virtue Realm of Sagehood ” lies in its construction of a complete and practicable path of moral cultivation. From the overall discussions of the Cheng brothers and Zhu Xi, the core significance of this category is that it points out the complete process of Confucian moral cultivation from the shallow to the deep, from the elementary to the ultimate, and from personal, concrete practice to the realm of transcendence, tightly linking the goal of “learning to be a sage” with the concrete, practicable work of lower learning.

3.1 下学而上达：贯通本末的修养秩序 

3.1 Lower Learning Leading to Higher Understanding: An Order of Cultivation That Connects Root and Branch

“入德之门” 的首要意义，是确立了 “下学而上达” 的儒家修养基本秩序。这一秩序的核心逻辑，是将道德修养的超越目标，锚定在日常的、切己的、切实的实践基础之上，指明了一条从切近处起步、循序渐进、逐步实现超越目标的可行路径。 

The primary significance of the “Gateway to the Virtue Realm of Sagehood ” is that it establishes the fundamental Confucian order of cultivation expressed as “lower learning leads to higher understanding.” The core logic of this order is to anchor the transcendent goal of moral cultivation firmly upon the foundation of daily, personal, concrete practice, pointing out a viable path that begins from what is near at hand, proceeds step by step, and gradually realizes the transcendent goal.

所谓 “下学”，是指从日常的、切近的、基础的道德实践入手，这是 “入德之门” 的关键特质。在程朱的理论视域中，道德修养不能悬空立论，不能凭空追求高远的超越目标，必须从格物致知、诚意正心、修身、齐家这些切近自我、触手可得的日常实践入手，一步一步积累基础。《大学》的八条目，正是这样一个由切近处入手、层层向上推进的完整 “下学” 序列：从格物致知的读书穷理，到诚意正心的向内慎独，再到修身、齐家的日常人伦实践，都是学者可以直接下手、日日践行的切己工夫；只有先在这些 “下学” 的切近实践中扎实积累，才能完成向上的超越进程。 

“Lower learning” refers to beginning with daily, near-at-hand, and foundational moral practice; this is the key characteristic of the “Gateway to the Virtue Realm of Sagehood .” In the theoretical horizon of the Cheng brothers and Zhu Xi, moral cultivation cannot build its arguments in a vacuum or chase after lofty transcendent goals out of thin air; one must start from such near-at-hand, readily accessible daily practices as the investigation of things and extension of knowledge, making the will sincere and rectifying the mind, cultivating oneself, and regulating the family, accumulating a foundation step by step. The eight items of The Great Learning are precisely such a complete sequence of “lower learning” that begins from what is near and advances layer by layer upward: from reading and exhausting principles in the investigation of things and extension of knowledge, to inward vigilance in solitude in making the will sincere and rectifying the mind, to the daily ethical practice of cultivating oneself and regulating the family—all are personal, concrete practices that the scholar can directly undertake and carry out day after day. Only by first accumulating firmly in these near-at-hand practices of “lower learning” can one complete the upward process of transcendence.

所谓 “上达”，是指通过下学的不断积累，逐步提升道德境界，最终通达圣贤的终极境界。这是一个由量变到质变的渐进过程，需要长期的实践积累，不能一蹴而就，更不能越级跃进。在程朱看来，《大学》的八条目已经明确规划了这一上达的具体路径：由格物致知的入门工夫开始，经过诚意正心的内向修持，完成修身的内圣之功，再将德性逐步推扩到齐家、治国、平天下的外王事功，最终抵达与天理为一、明德于天下的圣贤终极境界。这一完整的阶梯式进程，将 “下学” 的切己实践，与 “上达” 的超越目标，紧密贯通为一体，确立了本末始终、先后有序的道德修养秩序。 

“Higher understanding” refers to gradually elevating one’s moral realm through the ceaseless accumulation of lower learning and finally reaching the ultimate realm of the sage. This is a gradual process from quantitative change to qualitative transformation; it requires long-term practical accumulation and cannot be achieved in a single leap, much less by skipping steps. In the view of the Cheng brothers and Zhu Xi, the eight items of The Great Learning have already clearly mapped out this concrete path of higher understanding: beginning with the initial practice of investigating things and extending knowledge, passing through the inward cultivation of making the will sincere and rectifying the mind, completing the inner-sage achievement of cultivating oneself, and then gradually extending virtue outward to the outer-king accomplishments of regulating the family, governing the state, and bringing peace to the world, finally arriving at the ultimate sage realm of being one with heavenly principle and manifesting illustrious virtue throughout the world. This complete, ladder-like process tightly links the personal, concrete practice of “lower learning” with the transcendent goal of “higher understanding” into a single whole, establishing an order of moral cultivation in which root and branch, beginning and end, and earlier and later are all properly ordered.

这一 “下学而上达” 的秩序，在理论上很好地解决了工夫与境界的辩证关系：超越的圣贤境界，不是凭空出现的，也不是通过某种神秘的 “顿悟” 瞬间达成的，而是必须通过日复一日、循序渐进的切己道德实践，不断积累、不断提升，才能自然抵达；没有下学的切己实践，上达的超越目标就失去了落地的基础。这正是儒家道德修养最显著的特质：它不追求玄虚的、离世的修行体验，而是主张在日常的现实人伦事务中，践行切己的实践工夫，逐步实现终极的超越目标。 

This order of “lower learning leading to higher understanding” theoretically resolves the dialectical relationship between practice and realm quite well: the transcendent realm of the sage does not appear out of thin air, nor is it attained instantaneously through some mysterious “sudden enlightenment”; it must be reached naturally through day-after-day, step-by-step personal moral practice, through unceasing accumulation and continuous elevation. Without the personal, concrete practice of lower learning, the transcendent goal of higher understanding loses its grounding and foundation. This is exactly the most distinctive characteristic of Confucian moral cultivation: it does not pursue mysterious and abstract experiences of world-renouncing cultivation, but insists on carrying out the personal, concrete practice within daily, real human relationships and affairs, gradually realizing the ultimate transcendent goal.

3.2 明分而异向：辨析儒释道三家的修行路径 

3.2 Clarifying Distinctions and Different Directions: Differentiating the Paths of Cultivation in Confucianism, Buddhism, and Daoism

“入德之门” 的另一重要理论意义，是为了对抗佛道二教的修行理论，明确划分儒家与佛道二教在修行目标、方法和价值取向上的根本界限。这也是二程、朱熹大力推崇《大学》“入德之门” 的重要现实理论动机。 

Another important theoretical significance of the “Gateway to the Virtue Realm of Sagehood ” was to counter the cultivation theories of Buddhism and Daoism and to clearly demarcate the fundamental boundaries between Confucianism and the two religions in terms of the goals, methods, and value orientations of their cultivation. This was also an important practical theoretical motive for the Cheng brothers and Zhu Xi in vigorously promoting The Great Learning as the “Gateway to the Virtue Realm of Sagehood .”

在程朱生活的时代，佛道二教的心性理论已经高度成熟，在社会上具有极大的影响力。佛教追求 “明心见性”、超脱轮回，道教追求 “修道成仙”、长生久视，它们都主张以心性修养为核心工夫，对当时的儒家学者产生了很大的思想吸引力。在程朱看来，佛道的理论和修行路径存在一个根本缺陷：那就是 “体用殊绝”，割裂了本体与功用的关联，只谈心性的玄妙修养，忽略了现实的人伦事务和社会政治实践；这种离世、弃世的修行，最终只能归于 “空虚寂灭” 或 “自私长生” 的价值结果，无法真实解决社会和人伦的问题。 

In the era in which the Cheng brothers and Zhu Xi lived, the mind-nature theories of Buddhism and Daoism had already become highly mature and exerted enormous influence in society. Buddhism sought to “illumine the mind and see one’s nature” and to transcend the cycle of rebirth, while Daoism sought to “cultivate the Way and become an immortal” and to achieve longevity with enduring vision; both advocated mind-nature cultivation as their core practice and held great intellectual appeal for Confucian scholars of the time. In the view of the Cheng brothers and Zhu Xi, the theories and cultivation paths of Buddhism and Daoism had a fundamental defect: namely, they “severed substance and function,” cutting off the connection between original substance and its functioning. They spoke only of the mysterious and abstruse cultivation of mind and nature while neglecting actual human relationships and social-political practice. Such world-renouncing, life-abandoning cultivation could ultimately lead only to the value-outcomes of “emptiness and extinction” or “selfish longevity” and could not truly solve the problems of society and human relationships.

面对这一理论挑战，二程、朱熹亟须建立一套足以与佛道二教抗衡、且完全区别于佛道的儒家心性修养理论，重新确立儒家在成德之学上的正统地位。而《大学》的 “入德之门”，正是他们用来建构这一理论的核心武器：通过推崇《大学》，阐明儒家的修养路径，从根本上把儒、释、道三家的界限划分清楚。 

Faced with this theoretical challenge, the Cheng brothers and Zhu Xi urgently needed to establish a Confucian theory of mind-nature cultivation that was robust enough to compete with Buddhism and Daoism and completely distinct from them, in order to reassert the orthodox status of Confucianism in the learning of perfecting virtue. The “Gateway to the Virtue Realm of Sagehood ” of The Great Learning was precisely the core weapon they used to construct this theory: by promoting The Great Learning and elucidating the Confucian path of cultivation, they fundamentally drew a clear line separating Confucianism, Buddhism, and Daoism.

程朱指出，儒家的 “入德之门”，与佛道的修行有着本质区别。核心区别在于价值取向的根本差异：儒家以 “实理” 为本体，以现实的、具体的人伦事务为实践基础，以在现实世界中实现德性的推扩、达成 “明明德于天下” 为终极目标；而佛道二教都以 “空虚” 或 “长生” 为价值取向，脱离现实的人伦事务，仅仅追求个人的心性解脱或长生久视。基于这一本质差异，两家的修行工夫也迥然不同：儒家的修养工夫，是 “即物穷理”“开物成务”，即通过格物致知去穷究事物的天理，通过修身、齐家、治国、平天下的实践去推扩德性；而佛道的修行工夫，却是 “绝物离人”“离世异俗”，逃避现实的人伦事务和社会职责。 

The Cheng brothers and Zhu Xi pointed out that the Confucian “Gateway to the Virtue Realm of Sagehood ” is essentially different from Buddhist and Daoist cultivation. The core difference lies in the fundamental divergence of value orientations: Confucianism takes “concrete principle” as its original substance, takes actual, specific human relationships and affairs as the foundation of practice, and takes the extension of virtue in the real world to achieve “manifesting illustrious virtue throughout the world” as its ultimate goal. In contrast, both Buddhism and Daoism take “emptiness” or “longevity” as their value orientation, detach themselves from actual human relationships and affairs, and pursue merely individual mental liberation or enduring longevity. Based on this essential difference, the cultivation practices of the two sides are also utterly different: the Confucian cultivation practice is to “exhaust principle by coming into contact with things” and to “open up things and accomplish affairs”—that is, to thoroughly investigate the heavenly principle in things through the investigation of things and extension of knowledge, and to extend virtue through the practices of cultivating oneself, regulating the family, governing the state, and bringing peace to the world. The cultivation practices of Buddhism and Daoism, however, are to “cut off from things and separate from people” and to “withdraw from the world and differ from common customs,” fleeing from actual human relationships and social responsibilities.

通过这一辨析，程朱将《大学》的 “入德之门”，塑造为儒家区别于佛道的标志性理论范式，从理论上巩固了儒家成德之学的正统地位。 

Through this differentiation, the Cheng brothers and Zhu Xi shaped the “Gateway to the Virtue Realm of Sagehood ” of The Great Learning into a defining theoretical paradigm that distinguishes Confucianism from Buddhism and Daoism, thereby theoretically consolidating the orthodox status of the Confucian learning of perfecting virtue.

3.3 宗圣合道：实现内圣外王的终极圣贤人格 

3.3 Taking the Sage as the Standard and Uniting with the Way: Realizing the Ultimate Sage Personality of Inner Sageliness and Outer Kingliness

“入德之门” 的终极意义，是指明了学为圣贤的完整路径，最终实现内圣外王合一的终极圣贤人格。这是《大学》“三纲领”“八条目” 的终极目标，也是程朱理学工夫论的终极价值。 

The ultimate significance of the “Gateway to the Virtue Realm of Sagehood ” is that it points out the complete path for learning to be a sage, finally realizing the ultimate sage personality that unifies inner sageliness and outer kingliness. This is the ultimate goal of the “three guiding principles and eight items” in The Great Learning, and also the ultimate value of the Cheng-Zhu theory of self-cultivation.

在程朱的理论体系中，圣贤人格，是道德修养的终极理想。这种人格，并非远离人间、超乎世俗的存在，而是将内心的德性修养，与外在的社会政治事功，完全融合为一的人格。“入德之门” 所开启的进德次第，完整地覆盖了这一理想人格的所有维度：通过格物致知、诚意正心的向内实践，明复本然的天地之性，达成 “内圣” 的德性修养；通过修身、齐家、治国、平天下的向外实践，将内在的德性推扩于天下，成就 “外王” 的社会事功。这两重工夫往复贯通，形成一个完整的修养链条，将个人的道德修养，与家庭、社会、天下的福祉紧密关联起来；一个人若能将这一完整工夫实践到底，就能成为内德圆满、外王化成的真正圣贤。 

In the theoretical system of the Cheng brothers and Zhu Xi, the sage personality is the ultimate ideal of moral cultivation. This personality is not a being that keeps far from human society and transcends the mundane world; rather, it is a personality in which inner virtue cultivation and outer social-political achievements are fully fused into one. The sequence of advancing in virtue opened up by the “Gateway to the Virtue Realm of Sagehood ” completely covers all dimensions of this ideal personality: through the inward practice of investigating things and extending knowledge and making the will sincere and rectifying the mind, one manifests and recovers the original nature of Heaven and Earth, attaining the virtue cultivation of “inner sageliness”; through the outward practice of cultivating oneself, regulating the family, governing the state, and bringing peace to the world, one extends inner virtue to the whole world, accomplishing the social achievements of “outer kingliness.” These two layers of practice interpenetrate back and forth, forming a complete cultivation chain that closely links the individual’s moral cultivation with the well-being of the family, society, and the world. If a person can carry out this complete practice to the end, he can become a true sage whose inner virtue is fully perfected and whose outer kingliness transforms the world.

这一终极意义，也点明了儒家道德修养的真正特质：它不是一种个人的、隐世的、单纯的心性修养，而是一种强调成己成物、兼济天下、内圣外王统一的完整人格实践；单纯具备内在的德性，或单纯建立外在的事功，都不足以成为儒家公认的圣贤人格。“入德之门” 所提供的进德次第，恰恰完整地将这两个方面整合起来，形成了一个由初级到终极、由切近到远大、由内到外的完整实践路径，为后世儒家学者指明了一条切实可行的学圣、成圣之路。 

This ultimate significance also highlights the true character of Confucian moral cultivation: it is not a personal, eremitic cultivation concerned solely with mind and nature, but a complete personality practice that emphasizes perfecting both oneself and things, benefiting the whole world, and unifying inner sageliness and outer kingliness. Possessing inner virtue alone, or merely establishing outer accomplishments, is insufficient to constitute what Confucianism recognizes as a sage personality. The sequence of advancing in virtue provided by the “Gateway to the Virtue Realm of Sagehood ” perfectly integrates these two aspects, forming a complete path of practice from the elementary to the ultimate, from what is near at hand to what is far-reaching, and from the inner to the outer, thus pointing out for later Confucian scholars a genuinely viable way to learn to be a sage and to become a sage.

“入德之门” 是程朱理学工夫论的奠基性命题，其理论内涵是以《大学》为经典依据，通过格物致知、诚意正心、修身、齐家、治国、平天下的完整进德次第，搭建起从初学入门到成德达道的完整桥梁。二程首次将《大学》定性为 “入德之门”，明确了其作为成德之学经典的基础地位；朱熹进一步补充完善了这一理论，通过《大学章句》的注疏和对格物致知的系统阐释，将这一范畴整合为完整的理学工夫论体系，指明了一条切实可行的下学而上达、由初学入门终至圣贤境界的道德修养路径。 

The “Gateway to the Virtue Realm of Sagehood ” is a foundational proposition of the Cheng-Zhu Neo-Confucian theory of self-cultivation. Its theoretical content, taking The Great Learning as its classical basis, builds, through the complete sequence of advancing in virtue—investigating things and extending knowledge, making the will sincere and rectifying the mind, cultivating oneself, regulating the family, governing the state, and bringing peace to the world—a full bridge from the beginner’s entrance to the perfection of virtue and the attainment of the Way. The Cheng brothers were the first to characterize The Great Learning as the “Gateway to the Virtue Realm of Sagehood ,” clarifying its foundational status as the classic of the learning of perfecting virtue. Zhu Xi further supplemented and perfected this theory; through the commentary of his Commentary on the Great Learning in Chapters and Verses and his systematic exposition of the investigation of things and extension of knowledge, he integrated this category into a complete Neo-Confucian system of self-cultivation theory, pointing out a genuinely viable path of moral cultivation in which lower learning leads to higher understanding, advancing from the beginner’s entrance to the realm of the sage.

从学为圣贤的目标来看，“入德之门” 的价值，在于提供了一个循序渐进、本末有序、内外贯通的完整进德次第。这一次第，以格物致知为逻辑起点，贯通了诚意正心的内向修持，再通过修身的枢纽环节，将德性推扩于齐家、治国、平天下的外在事功，将内圣之学与外王之道，紧密融合为一个不可分割的整体。这一整套由切近实践入手、逐步推扩到天下事功的修养路径，完美体现了儒家 “重实”“重行” 的实践特质，区别于佛道二教的离世、弃世的修行路径。 

Seen from the goal of learning to be a sage, the value of the “Gateway to the Virtue Realm of Sagehood ” lies in its provision of a complete, step-by-step sequence for advancing in virtue that is orderly in root and branch and that connects inner and outer. This sequence takes the investigation of things and extension of knowledge as its logical starting point, connects through the inward cultivation of making the will sincere and rectifying the mind, and then, via the pivotal link of cultivating oneself, extends virtue outward to the outer accomplishments of regulating the family, governing the state, and bringing peace to the world, tightly fusing the learning of inner sageliness and the way of outer kingliness into an indivisible whole. This entire path of cultivation, which starts from near-at-hand, concrete practice and gradually extends to the affairs and accomplishments of the whole world, perfectly embodies the practical character of Confucianism, which “values concrete reality” and “values practice,” and distinguishes itself from the world-renouncing, life-abandoning cultivation paths of Buddhism and Daoism.

时至今日，这一理论仍然具有重要的思想参考价值。它所强调的道德修养必须从切近基础的工夫入手、必须循序渐进、必须由内在德性向外在实践推扩的逻辑路径，对今人仍有借鉴意义；它所阐述的由初级到高级、由内心到外在、由自我到社会的道德修养规律，也符合道德人格养成的基本过程。理解 “入德之门” 的深刻内涵，不仅能准确把握程朱理学工夫论的基本逻辑，更能深入理解儒家强调切己实践、明体达用、修己安人、内圣外王统一的根本特质。 

Even today, this theory still possesses significant intellectual and referential value. The logical path it emphasizes—that moral cultivation must begin from near-at-hand, foundational practice, must proceed step by step, and must extend from inner virtue to outer practice—still offers lessons for people today. The rule of moral cultivation it expounds, moving from the elementary to the advanced, from the inner to the outer, and from the self to society, also accords with the basic process of forming a moral personality. Understanding the profound content of the “Gateway to the Virtue Realm of Sagehood ” allows us not only to accurately grasp the basic logic of the Cheng-Zhu theory of self-cultivation but also to deeply comprehend the fundamental character of Confucianism, which stresses personal, concrete practice, clarifying substance to realize function, cultivating oneself to bring peace to others, and unifying inner sageliness and outer kingliness.

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        入德之门理学阐释，程朱理学修养次第，大学八条目修养体系，儒家圣贤人格，理学德性修养论
     

      学为圣贤，下学上达，格物致知，诚意正心，修身齐家，朱熹理学思想，二程理学，儒家进德修业，传统道德教化，理学实践工夫
    

       入德之门，程朱理学，大学，八条目，进德修业，圣贤修养，儒家修身，内圣外王，格物致知，诚意正心，朱熹理学，德性修养，传统道德，理学阐释，下学上达