何以二程、朱熹高度重視“入德之門”在德性修養中的重要性？

Why the Cheng Brothers and Zhu Xi Attached Paramount Importance to the “Gateway to the Virtue Realm of Sagehood” in the Sequential Process of Moral Self-Cultivation?

二程、朱熹高度強調 “入德之門” 的深層原因：

理論建構與實踐維度的雙重探索

The Deep Reasons Why the Cheng Brothers and Zhu Xi Strongly Emphasized the “Gateway to the Virtue Realm of Sagehood ”: A Dual Exploration of Theoretical Construction and Practical Dimensions

一、理論層面：構建道德形上學，鞏固儒家本位

I. The Theoretical Dimension: Constructing a Moral Metaphysics and Consolidating the Confucian Standpoint

程朱對 “入德之門” 的推崇，並非始於教育方法的空談，而是根植於其理論體系的內在需求 —— 他們要為儒家道德倫理找到終極的形上依據，打通 “天理” 與 “人性” 之間的隔閡，並以此為武器徹底批判佛道 “異端” 之學，重新確立儒學在中國思想界的主導地位。

The Cheng-Zhu school’s esteem for the “Gateway to the Virtue Realm of Sagehood ” did not begin with empty talk about educational methods; it was rooted in the intrinsic demands of their theoretical system. They sought to find an ultimate metaphysical foundation for Confucian morality and ethics, to break through the barrier between “Heavenly Principle” and “human nature,” and to use this as a weapon to thoroughly criticize the “heterodox” teachings of Buddhism and Daoism, thereby re-establishing the dominant position of Confucianism in Chinese intellectual life.

1.1 填補理論空白，搭建理學架構

1.1 Filling the Theoretical Void and Erecting the Framework of Neo-Confucianism

在程朱之前，儒學多側重具體的人倫與政治實踐，對 “人性的終極依據是什麼”“道德修養何以可能” 這類形而上的深層問題，缺乏系統回應，這也正是佛老之學能在精神領域佔據優勢的關鍵原因。二程以 “天理” 二字建立理學基礎，將 “天理” 推為宇宙萬物的終極本體、社會倫理的普遍法則；朱熹進一步將這一天理本體論延伸至心性論層面，提出 “性即理” 的核心命題，完成了儒家道德形上學的完整建構。

Before the Cheng brothers and Zhu Xi, Confucianism mostly focused on concrete human relations and political practice, lacking a systematic response to such profound metaphysical questions as “What is the ultimate foundation of human nature?” and “How is moral cultivation possible?” – precisely the key reason why Buddhism and Daoism could gain ascendancy in the spiritual realm. The Cheng brothers established the foundation of Neo-Confucianism with the term “Heavenly Principle,” elevating it to the ultimate substance of all things in the universe and the universal law of social ethics; Zhu Xi further extended this ontology of Heavenly Principle to the theory of mind-and-nature, proposing the core proposition that “nature is principle,” thus completing the full construction of a Confucian moral metaphysics.

在程朱的理論架構中，“入德之門” 的關鍵價值，是作為 “天理” 與 “人性”、“本體” 與 “工夫” 之間的貫通性樞紐。這個樞紐的核心載體，正是《大學》。二程將《大學》從《禮記》中抽出，重新編排詮釋，強調其是唯一留存的、由聖人制定的 “為學次第”—— 這個 “次第” 並非簡單的讀書順序，而是基於 “天理” 與 “人事” 的內在邏輯，搭建起的修行階梯；朱熹則進一步將《大學》置於《四書》之首，明確它是進入儒家道德世界的門戶，學者必須由此入手，才能循序漸進，不偏離聖人之道。

Within the theoretical framework of the Cheng-Zhu school, the key value of the “Gateway to the Virtue Realm of Sagehood ” is that it acts as the connecting hub between “Heavenly Principle” and “human nature,” and between “substance” and “effort.” The core vehicle of this hub is precisely The Great Learning. The Cheng brothers extracted The Great Learning from the Book of Rites, rearranged and reinterpreted it, and stressed that it was the sole surviving “sequence of learning” laid down by the sages – a sequence that was not merely a reading order but a cultivation ladder built upon the internal logic linking Heavenly Principle and human affairs. Zhu Xi went further, placing The Great Learning at the head of the Four Books and explicitly identifying it as the gateway for entering the Confucian moral world; a learner, he insisted, must begin here in order to progress step by step without deviating from the way of the sages.

更關鍵的是，這個 “入德之門” 的理論次第，與理學本體論的邏輯完全吻合。《大學》的核心綱領是 “三綱領八條目”：“明明德” 指向的是人性中本具的天理，“新民” 是將這種道德天理推行到社會人倫，“止於至善” 則是道德與天理渾然合一的終極境界；而 “格物、致知、誠意、正心、修身、齊家、治國、平天下” 的八條目，既是 “入德之門” 的實踐路徑，更是天理從本體界向下貫通到人事界的完整邏輯鏈條。

More crucially, the theoretical sequence of this “Gateway to the Virtue Realm of Sagehood ” matches the logic of Neo-Confucian ontology perfectly. The core program of The Great Learning is the “three guiding principles and eight items”: “illustrating illustrious virtue” points to the Heavenly Principle inherently possessed by human nature; “renovating the people” is the extension of this moral Heavenly Principle into social human relations; and “resting in the highest good” is the ultimate state where morality and Heavenly Principle are completely fused into one. The eight items – “investigation of things, extension of knowledge, sincerity of the will, rectification of the mind, self-cultivation, regulation of the family, ordering of the state, and bringing peace to the whole world” – are not only the practical path of the “Gateway to the Virtue Realm of Sagehood ,” but also the complete logical chain through which Heavenly Principle runs from the ontological realm down into the realm of human affairs.

在這個貫通過程中，“格物” 是踏入道德實踐的第一步，也是天理落地的起點。程頤解釋 “格物” 為 “窮理”—— 即探究事物背後的天理；朱熹進一步補充，“格物” 的本質是 “即物窮理”，通過接觸具體事物、探究事物的深層道理，逐步體認內在於人性中的終極天理。在程朱看來，人心本然具備天理，但由於被氣稟所拘、被人慾所蔽，天理難以直接顯現；而《大學》的 “入德之門”，正是一套循序漸進的 “去污” 流程：從格物窮理入手，逐步突破個人的氣稟之偏，喚醒內心本有的天理；再經由致知、誠意、正心的內在修養，將天理轉化為真實的德行；最終通過修身、齊家、治國、平天下的實踐，將個體道德貫通到社會人倫，實現 “體用一源，顯微無間” 的境界。

In this process of connection, “investigation of things” is the first step into moral practice and the starting point for Heavenly Principle’s actualization in the world. Cheng Yi interpreted “investigation of things” as “exhausting principle” – that is, exploring the Heavenly Principle behind things. Zhu Xi supplemented this by explaining that the essence of “investigation of things” is “to exhaust principle by approaching things”: through contact with concrete things and inquiry into their deeper principles, one gradually realizes the ultimate Heavenly Principle inherent in human nature. In the Cheng-Zhu view, the human mind originally possesses Heavenly Principle, but because it is constrained by one’s physical endowment and obscured by human desires, Heavenly Principle cannot manifest directly. The “Gateway to the Virtue Realm of Sagehood ” in The Great Learning is precisely a step-by-step process of “removing the stains”: starting from investigating things and exhausting principle, one gradually breaks through the partiality of one’s physical endowment and awakens the Heavenly Principle originally within the mind; then, through the internal cultivation of extending knowledge, making the will sincere, and rectifying the mind, one transforms Heavenly Principle into genuine virtue; finally, through the practices of self-cultivation, regulating the family, ordering the state, and bringing peace to the whole world, one lets individual morality flow through social human relations, attaining the state where “substance and function share one source, and the subtle and the manifest have no gap between them.”

這一理論建構，精準填補了此前儒學的重大空白：此前的儒學多是零散的道德格言或政治論述，而程朱通過 “入德之門”，將天理的本體世界、人性的道德實踐、社會的人倫秩序，整合成一個環環相扣、邏輯嚴密的完整體系 —— 這是儒學首次擁有了可與佛老之學比肩的形上理論架構。

This theoretical construction precisely filled a major lacuna in earlier Confucianism: previously, Confucianism had largely consisted of scattered moral maxims or political arguments, but by means of the “Gateway to the Virtue Realm of Sagehood ,” the Cheng brothers and Zhu Xi integrated the ontological world of Heavenly Principle, the moral practice of human nature, and the human-relations order of society into a complete, interlocking, logically rigorous system – this was the first time Confucianism possessed a metaphysical theoretical structure that could stand comparison with Buddhism and Daoism.

1.2 批判佛道，確立內在超越的理路

1.2 Criticizing Buddhism and Daoism and Establishing an Approach of Inner Transcendence

在儒學發展的歷史進程中，兩漢以來的讖緯神學、魏晉玄學以及南北朝時期傳入的佛教，都對儒學的正統地位構成了嚴重挑戰。尤其是佛教的心性思想與道教的形而上學思辨，在理論深度上形成了明顯優勢；而儒學長期局限於具體的政治人倫實踐，對 “性與天道” 這類形而上的核心問題缺乏系統回應，難以在精神層面與佛老抗衡。程朱清晰地認識到，若想重新確立儒學的主導地位，必須在 “內聖” 的形上層面突破佛老的理論桎梏 —— 而 “入德之門”，正是他們破局的關鍵抓手。

In the historical course of Confucianism’s development, the prophetic and numerological theology since the Han, the Xuanxue (Neo-Daoism) of the Wei and Jin, and the Buddhism introduced during the Southern and Northern Dynasties all posed serious challenges to the orthodox status of Confucianism. In particular, Buddhist thought on mind-and-nature and Daoist metaphysical speculation developed a clear advantage in theoretical depth. Confucianism, long confined to concrete political and human-relations practice, lacked a systematic response to core metaphysical questions such as “nature and the Way of Heaven” and found it difficult to compete with Buddhism and Daoism on the spiritual plane. The Cheng brothers and Zhu Xi clearly recognized that if they were to re-establish the dominant position of Confucianism, they had to break through the theoretical shackles of Buddhism and Daoism on the metaphysical level of “inner sageliness” – and the “Gateway to the Virtue Realm of Sagehood ” was the crucial lever for this breakthrough.

程朱對佛老之學的批判，並非簡單的情緒性排斥，而是基於 “體用關係” 的理論對決。二程一針見血地指出佛教的核心問題：“聖人本天，釋氏本心”—— 意思是，儒家以真實存在的 “天理”（即自然法則與人倫秩序的統一體）為超越性依據，而佛教將一切歸於 “心” 的幻象，徹底割裂了本體與現象的關聯，屬於二元論的外在超越；朱熹則進一步批判佛老之學的 “空虛無實”：佛教追求 “空”、道教追求 “無”，本質上是脫離現實人倫、拋棄道德實踐的 “虛學”，而儒家的 “天理” 絕非懸空之物，它貫通於現實的人倫日用之中，必須通過具體的道德實踐才能體認。

The Cheng-Zhu critique of Buddhism and Daoism was not simple emotional rejection, but a theoretical showdown grounded in the “relationship between substance and function.” The Cheng brothers incisively identified the core problem of Buddhism: “The sage takes Heaven as his basis; the Buddhists take the mind as their basis.” This meant that Confucianism takes the actually existing “Heavenly Principle” (the unity of natural law and the order of human relations) as its transcendent foundation, whereas Buddhism attributes everything to the illusion of “mind,” completely severing the connection between substance and phenomena – a dualistic outer transcendence. Zhu Xi further criticized the “emptiness and unreality” of Buddhism and Daoism: Buddhism’s pursuit of “emptiness” and Daoism’s pursuit of “non-being” are, in essence, “vacuuous learning” divorced from real human relations and abandoned moral practice. By contrast, Confucian “Heavenly Principle” is in no way something suspended in the void; it runs through real, daily human relations and can only be recognized through concrete moral practice.

在程朱看來，《大學》的 “入德之門”，正是儒家對抗佛老 “外在超越” 的獨門武器 —— 它標識出的是一條儒家獨有的 “內在超越” 路徑：超越性的 “天理”，並非像佛老所說的那樣懸空在外，而是內在於人的心性之中，也體現在日常的人倫瑣事之上；因此，體認天理的方式，絕不是離開現實生活去追求虛無的彼岸，而是必須通過 “格物致知” 的下學功夫，在事親、事君、處友這類日常實踐中踐行 “敬” 與 “義”，逐步顯現自身本有的 “明德”。這一邏輯，既保證了儒學的超越性，又牢牢紮根於人倫日用，完全區別於佛老的 “虛無寂滅之教”。

In the eyes of the Cheng-Zhu school, the “Gateway to the Virtue Realm of Sagehood ” of The Great Learning was precisely the unique weapon with which Confucianism combated the “outer transcendence” of Buddhism and Daoism. It marked out a path of “inner transcendence” exclusive to Confucianism: the transcendent “Heavenly Principle” is not, as Buddhism and Daoism claim, suspended somewhere outside; it is immanent in the human mind-and-nature and also manifested in the trivialities of daily human relations. Therefore, the way to recognize Heavenly Principle is absolutely not to abandon real life in pursuit of a nihilistic other shore; rather, one must, through the lower-level learning effort of “investigation of things and extension of knowledge,” practice “reverence” and “rightness” in such everyday activities as serving one’s parents, serving one’s ruler, and interacting with friends, thereby gradually manifesting one’s own originally possessed “illustrious virtue.”This logic both guaranteed the transcendence of Confucianism and kept it firmly rooted in everyday human relations, completely distinguishing it from the “teachings of nihilistic emptiness and extinction” of Buddhism and Daoism.

朱熹在《大學章句》的序言中，將這場理論對決的底牌完全攤開：他直言，孟子去世後，儒學的聖人之道就失傳了，俗儒沉迷於記誦詞章，對道德修養毫無用處；而佛老的異端之說，雖然在心性問題上的思辨高度超過了傳統儒學，卻完全脫離現實人倫，追求虛無的超越，最終無法指導社會實踐。正因如此，《大學》的 “入德之門” 才顯得尤為珍貴 —— 它是孔氏遺書，由曾參、子思、孟子一系傳承下來，是儒家獨有的、由 “下學人事” 上達 “天理” 的完整進路；學者只有通過《大學》的 “入德之門”，才能真正理解儒家的 “內聖外王” 之道，抵禦佛老的異端邪說。

In the preface to his Commentary on The Great Learning, Zhu Xi laid all his cards on the table in this theoretical showdown. He bluntly stated that after Mencius’s death, the sage’s Way of Confucianism was lost; vulgar Confucians indulged in memorizing and reciting phrases and literary compositions, which were utterly useless for moral cultivation, while the heterodox theories of Buddhism and Daoism, though surpassing traditional Confucianism in speculative heights on issues of mind-and-nature, were completely divorced from real human relations and pursued a nihilistic transcendence that ultimately could not guide social practice. It was precisely for this reason that the “Gateway to the Virtue Realm of Sagehood ” of The Great Learning was so precious: it was a bequeathed text of Confucius, handed down through the line of Zeng Shen, Zisi, and Mencius, and it was the unique Confucian, complete pathway ascending from “lower-level learning about human affairs” up to “Heavenly Principle.” Only through the “Gateway to the Virtue Realm of Sagehood ” of The Great Learning could a scholar truly understand the Confucian way of “inner sageliness and outer kingship” and resist the heterodox doctrines of Buddhism and Daoism.

可以說，程朱對 “入德之門” 的理論建構，是儒學在理論上的一次絕地反擊：它不僅為儒家道德找到了形而上的終極依據，更證明了儒學的 “內在超越”，遠比佛老的 “外在超越” 更具現實合理性，也更符合中國人的文化特質 —— 正是這一理論，將儒學重新拉回中國思想界的主軸。

It can be said that the Cheng-Zhu theoretical construction of the “Gateway to the Virtue Realm of Sagehood ” was a last-ditch counterattack by Confucianism on the theoretical front: it not only found an ultimate metaphysical foundation for Confucian morality, but also proved that Confucian “inner transcendence” was far more practically rational than the “outer transcendence” of Buddhism and Daoism, and more in keeping with the cultural character of the Chinese people – it was precisely this theory that pulled Confucianism back to the central axis of Chinese intellectual life.

二、實踐層面：確立可操作的下學功夫，重構教育次第

II. The Practical Dimension: Establishing Workable Lower-Level Learning Effort and Reconstructing the Educational Sequence

程朱之所以極力凸顯 “入德之門” 的地位，不光是出於理論建構的需求，更是對當時教育亂象、道德修養脫離實際的回應。在他們看來，漢唐以來的學術教育，困於繁瑣的記誦訓詁，追求浮華的文章辭藻，要麼缺乏明確的道德進階路徑，要麼空談心性，違背了儒家修己治人的本旨。既然要重建儒學的社會權威，就必須用 “入德之門” 來重構可落地的道德修養階梯，重塑以 “聖賢” 為終極目標的教育次第，把理論層面的 “天理”，轉化為人人可通過日常實踐達成的德行。

The reason why the Cheng brothers and Zhu Xi so vigorously highlighted the position of the “Gateway to the Virtue Realm of Sagehood ” was not only due to the needs of theoretical construction, but also a response to the educational chaos of their time and the divorce of moral cultivation from reality. In their view, the scholarship and education since the Han and Tang dynasties were mired in tedious memorization, recitation, and philological glosses, pursuing flowery literary phrasing, and either lacked a clear path of moral advancement or indulged in empty talk about mind-and-nature, contravening the Confucian original purpose of cultivating oneself and governing others. Since they intended to rebuild the social authority of Confucianism, they had to use the “Gateway to the Virtue Realm of Sagehood ” to reconstruct a workable ladder of moral cultivation and to reshape an educational sequence with “sagehood” as its ultimate goal, transforming the theoretical “Heavenly Principle” into virtues that every person could achieve through daily practice.

2.1 為道德修養提供由淺入深的漸進路徑

2.1 Providing a Gradual Path from the Shallow to the Deep for Moral Cultivation

“入德之門” 的實踐意義，在於它明確了一條可操作、可驗證的道德修養進階路徑 ——“下學上達”，即從日常小事做起，經過日積月累的道德實踐，逐步達到與天理合一的聖人境界。這一進路，是程朱針對當時學者的兩大通病 ——“不明本末先後” 和 “空談性命，不務實學”—— 專門設計的。

The practical significance of the “Gateway to the Virtue Realm of Sagehood ” lies in its clear articulation of a workable and verifiable advancement path for moral cultivation: “lower-level learning reaching upward,” that is, starting from small everyday matters and, through accumulated moral practice over time, gradually reaching the sage’s state of union with Heavenly Principle. This approach was specifically designed by the Cheng-Zhu school to address the two common maladies of scholars of their time: “not understanding the distinction between root and branch, or what comes first and what comes later,” and “idly discussing nature and destiny without devoting oneself to practical learning.”

二程認為，道德修養的關鍵是 “知本末終始”。《大學》的 “八條目”，本質上是一套以 “修身” 為樞紐的完整因果邏輯：“格物、致知、誠意、正心” 是向內省察的 “內聖” 功夫，是 “本”；“齊家、治國、平天下” 是向外實踐的 “外王” 事業，是 “末”。在修養過程中，必須先夯實內在的道德根基，才能進一步成就外在的社會事業；反過來，也只有通過外在的事功實踐，才能真正檢驗、鞏固內在的德行修養。“八條目” 的順序不能亂，更不能割裂 —— 這是古人為學的唯一正確順序，而《大學》的 “入德之門”，正是這個循序漸進修養過程的起點。

The Cheng brothers held that the key to moral cultivation is “knowing the root and branch, the beginning and the end.” The “eight items” of The Great Learning are, in essence, a complete causal logic pivoting on “self-cultivation”: “investigation of things, extension of knowledge, sincerity of the will, and rectification of the mind” are the inwardly examining effort of “inner sageliness” – the “root”; “regulation of the family, ordering of the state, and bringing peace to the whole world” are the outwardly practicing enterprise of “outer kingship” – the “branch.” In the cultivation process, one must first consolidate the inner moral foundation before one can further achieve outer social enterprises; conversely, only through outer practical achievements can one truly test and consolidate inner moral cultivation. The sequence of the “eight items” must not be disordered, and still less can they be split apart – this is the sole correct order for the ancients’ learning, and the “Gateway to the Virtue Realm of Sagehood ” of The Great Learning is precisely the starting point of this step-by-step cultivation process.

若沒有《大學》給出的這個明確 “次第”，學者往往會陷入兩種誤區：一是忽視基礎功夫，直接空談 “明明德” 的終極境界，忽視了在日常事務中踐行道德這一基本前提；二是把道德修養當成純粹的知識學習，忽視了從 “致知” 到 “誠意” 的內省實踐。程頤在《二程遺書》中直言，“入德之門，無如《大學》”——《大學》的價值，正在於它保留了這一明確的 “為學次第”，能讓初學者在道德實踐中找到清晰的抓手，避免迷失方向。

Without this clear “sequence” provided by The Great Learning, scholars often fall into two errors: one is to neglect foundational effort and directly engage in empty talk about the ultimate state of “illustrating illustrious virtue,” ignoring the basic premise of practicing morality in everyday affairs; the other is to treat moral cultivation as a purely intellectual exercise, neglecting the inward reflective practice from “extension of knowledge” to “sincerity of the will.” Cheng Yi stated plainly in the Surviving Writings of the Two Cheng Brothers: “For the Gateway to the Virtue Realm of Sagehood , nothing compares to The Great Learning.” The value of The Great Learning, he argued, lies precisely in its preservation of this clear “sequence of learning,” which allows beginners to find a firm handle in moral practice and avoid losing their way.

朱熹進一步發展了這一 “次第” 思想，將 “入德之門” 的實踐功夫明確為 “格物致知” 與 “主敬涵養” 兩大支撐，二者缺一不可。

Zhu Xi further developed this “sequence” thinking, explicitly defining the practical effort of the “Gateway to the Virtue Realm of Sagehood ” as two supporting pillars – “investigation of things and extension of knowledge” on the one hand, and “abiding in reverence and nurturing with reverence” on the other – neither of which can be dispensed with.

其一，“格物致知” 是入德的 “下手處”。朱熹在《大學章句》中補充的 “格物致知” 章，是他對 “入德之門” 的核心發揮：“格物” 的本質是 “即物”，也就是深入具體的日常事務；“窮理” 是探究這些事務背後蘊含的天理。在他看來，天理並不懸在半空，而是承載於日常事物之中；任何人都必須通過接觸具體事物、探究其道理，才能逐步體認內心本具的天理。這一思路，徹底堵死了佛老 “空悟” 的進路，把道德實踐錨定在真實的人倫日用之中。

First, “investigation of things and extension of knowledge” is the “starting point” for entering virtue. The “investigation of things and extension of knowledge” chapter that Zhu Xi supplemented in his Commentary on The Great Learning represents his core development of the “Gateway to the Virtue Realm of Sagehood .” The essence of “investigation of things” is “approaching things,” that is, going deep into concrete everyday affairs; “exhausting principle” is exploring the Heavenly Principle inherent behind these affairs. In his view, Heavenly Principle is not suspended in midair; it is embodied in everyday things. Everyone must, through contact with concrete things and inquiry into their principles, gradually recognize the Heavenly Principle originally inherent in the mind. This line of thinking completely blocked the Buddhist and Daoist path of “empty enlightenment” and anchored moral practice firmly in real, daily human relations.

其二，“主敬涵養” 是貫穿入德全過程的修養心法。程頤提出 “涵養須用敬，進學則在致知”——“敬” 是指內心的專註、敬畏與警覺，不被私慾牽引，不被雜念干擾。朱熹對此極為推崇，稱這兩句話是 “入德之門” 的核心要訣，他進一步解釋：“主敬” 並非讓人終日端坐、不思不動，而是在格物時要保持專一的心態，在日常待人處事中要謹言慎行，在閑居時要堅守內心的警醒，讓 “敬” 貫穿於從初學聖人之學到體悟天理的整個過程。

Second, “abiding in reverence and nurturing with reverence” is the mental technique of cultivation that runs through the entire process of entering virtue. Cheng Yi proposed: “To nurture oneself, one must use reverence; to advance in learning, it lies in the extension of knowledge.” “Reverence” refers to inner concentration, awe, and vigilance, not being led astray by selfish desires or disturbed by stray thoughts. Zhu Xi greatly esteemed this, calling these two sentences the core secret of the “Gateway to the Virtue Realm of Sagehood .” He further explained: “Abiding in reverence” does not mean sitting rigidly all day without thinking or moving; rather, when investigating things, one must maintain a focused mindset; in daily dealings with others, one must be cautious in speech and conduct; in moments of leisure, one must maintain inner alertness – letting “reverence” run through the whole process, from the first learning of the sages’ teachings to the realization of Heavenly Principle.

由此可見，程朱的 “入德之門” 並非單純的理論認知，而是一套 “知行相須互發” 的實踐體系：“格物” 是基礎，通過與事物接觸、探究事物的道理，獲得明確的道德認識；“主敬” 是保障，通過內心的專註敬畏，將道德認識轉化為真實的道德信念；“誠意”“正心” 是關鍵，將外在的道德規範內化為自覺的德行；“齊家、治國、平天下” 則是最終歸宿，將個體的道德價值擴展為社會層面的倫理實踐。

From this we can see that the “Gateway to the Virtue Realm of Sagehood ” of the Cheng-Zhu school is not merely theoretical cognition; it is a practical system in which “knowledge and action require each other and stimulate each other.” “Investigation of things” is the foundation: through contact with things and inquiry into their principles, one obtains clear moral knowledge. “Abiding in reverence” is the safeguard: through inner concentration and awe, moral knowledge is transformed into genuine moral conviction. “Sincerity of the will” and “rectification of the mind” are the keys: external moral norms are internalized into self-conscious virtue. “Regulation of the family, ordering of the state, and bringing peace to the whole world” are the final destination: individual moral value is extended into ethical practice on the social plane.

這一整套實踐路徑，完全是可落地、可執行的：它不要求學者脫離日常的生活與工作，也不依賴於虛無的彼岸體驗；相反，它將體認天理的 “下學” 功夫，落實在事親、事君、處友、待人接物的每一件日常瑣事中，通過日積月累的漸進實踐，逐步實現 “上達天理” 的終極目標 —— 這正是程朱將其定為 “入德之門” 的核心原因。

This entire practical path is completely workable and executable: it does not require scholars to leave behind their daily life and work, nor does it depend on nihilistic otherworldly experiences. On the contrary, it grounds the “lower-level learning” effort of recognizing Heavenly Principle in every trivial daily matter – serving one’s parents, serving one’s ruler, interacting with friends, and dealing with people and things – and through gradual, accumulated practice over time, it progressively achieves the ultimate goal of “reaching upward to Heavenly Principle.” This is the core reason why the Cheng-Zhu school designated it as the “Gateway to the Virtue Realm of Sagehood .”

2.2 由小學至大學，構建完整的儒家教育體系

2.2 From Elementary Learning to Higher Learning: Constructing a Complete Confucian Educational System

對程朱而言，“入德之門” 不止是個體的道德修養路徑，更是重塑儒家教育的核心綱領 —— 其目標是將抽象的天理，轉化為從兒童到成人的、循序漸進的教育實踐，最終培養出能踐行內聖外王之道的真正聖賢。

For the Cheng-Zhu school, the “Gateway to the Virtue Realm of Sagehood ” was not only a path for individual moral cultivation, but also the core program for reshaping Confucian education – its goal was to transform abstract Heavenly Principle into a step-by-step educational practice spanning from childhood to adulthood, ultimately cultivating genuine sages who could practice the way of inner sageliness and outer kingship.

朱熹結合程頤的 “入德” 思想，以 “大學” 為界，將整個儒家教育流程劃分為 “小學” 與 “大學” 兩個銜接緊密的階段，為 “入德之門” 提供了完整的制度支撐。

Zhu Xi, combining Cheng Yi’s thought on “entering virtue” and taking the “higher learning” as a boundary, divided the whole Confucian educational process into two tightly linked stages – “elementary learning” and “higher learning” – providing a complete institutional foundation for the “Gateway to the Virtue Realm of Sagehood .”

小學階段是 “入德” 的基礎鋪墊，其核心任務是 “學其事”，即通過日常的具體事為，如事親、事君、事兄、處友、待人接物等，學習如何灑掃應對、如何恪守日常禮儀，在行為上養成端莊恭敬的習慣，將儒家的基本道德規範內化於行為習慣之中。朱熹打了一個形象的比方：小學階段的行為規範訓練，就像是給道德修養打地基；如果沒有這個基礎，到了大學階段再去探究 “為什麼要這麼做” 的深層義理，就會根基不牢，難以將道理轉化為真實的德行 —— 這也是他花費大量精力編著《小學》一書的初衷。

The elementary learning stage is the foundational groundwork for “entering virtue”; its core task is “learning the affairs,” that is, through concrete daily activities such as serving parents, serving the ruler, serving elder brothers, interacting with friends, and dealing with people and things, learning how to sweep and answer the door, how to observe daily rituals, developing habits of dignified and respectful conduct, and internalizing the basic Confucian moral norms into behavioral habits. Zhu Xi drew a vivid analogy: behavioral norm training at the elementary learning stage is like laying the foundation for moral cultivation; without this foundation, when one reaches the higher learning stage and seeks to explore the deeper principles of “why one should act thus,” the foundation will be weak, making it difficult to transform principles into genuine virtue – this was also his original intention in spending great effort compiling the book Elementary Learning.

大學階段是 “入德” 的正式進階，其核心任務是 “明其理”，即探究小學階段所做之事背後隱藏的天理，將日常的行為習慣提升到道德自覺的層面。朱熹明確指出，《大學》是整個大學教育體系的入門教材 —— 在《四書》的編排次序中，《大學》被排在首位，之後才是《論語》《孟子》《中庸》；初學者應先從《大學》學起，掌握了修身的進階路徑，才能進一步學習其他儒家經典，否則即便讀了再多經典，也不知道從何處入手提升德行。

The higher learning stage is the formal advancement of “entering virtue”; its core task is “understanding the principles,” that is, exploring the Heavenly Principle concealed behind the affairs practiced in the elementary learning stage, elevating everyday behavioral habits to the level of moral self-consciousness. Zhu Xi explicitly pointed out that The Great Learning was the introductory textbook for the entire higher education system: in the arrangement of the Four Books, The Great Learning was placed first, with the Analects, Mencius, and Doctrine of the Mean coming after it. Beginners should first study The Great Learning; only after mastering the advancement path of self-cultivation could they move on to other Confucian classics. Otherwise, even if they read many classics, they would not know where to start in elevating their virtue.

在具體的教學實踐中，二程、朱熹對《大學》的 “格物” 條目進行了重點闡釋，將其作為教學的起點。在他們看來，“格物” 是學者修學的第一抓手 —— 只有先通過 “格物” 探究事物的深層道理，才能獲得正確的道德認識；只有獲得正確的道德認識，才能做到 “誠意”“正心”，最終實現修身的目標。朱熹尤其重視這一點：他耗費四十餘年精力註解《大學》，對 “格物致知” 的內涵進行了層層深入的解讀；並且，他在《大學章句》中特意補充了失傳的 “格物致知” 章傳文，就是為了讓學者能精準把握這一入德的下手處，掌握實踐的關鍵抓手。

In concrete teaching practice, the Cheng brothers and Zhu Xi gave focused exposition to the “investigation of things” item in The Great Learning, making it the starting point of instruction. In their view, “investigation of things” was the first handle for a scholar’s learning: only by first investigating things to explore their deeper principles could one obtain correct moral knowledge; only by obtaining correct moral knowledge could one achieve “sincerity of the will” and “rectification of the mind,” finally realizing the goal of self-cultivation. Zhu Xi placed particular emphasis on this: he spent more than forty years of energy annotating The Great Learning, providing layer upon layer of in-depth interpretation of the meaning of “investigation of things and extension of knowledge.” Moreover, in his Commentary on The Great Learning, he deliberately supplemented the lost commentary on the “investigation of things and extension of knowledge” chapter precisely so that scholars could accurately grasp this starting point for entering virtue and master the crucial handle for practice.

除此之外，程朱還將 “主敬涵養” 的功夫，融入到《大學》的教學細節之中。程頤提出 “主一無適” 的概念，將 “敬” 定義為精神的高度專一，不被外物所誘惑；朱熹則要求學者在讀書時要端坐正容、全神貫注，在日常處事中要謹言慎行、時刻約束自身行為，將 “主敬” 作為貫穿《大學》學習全過程的基本態度 —— 在他看來，唯有保持 “敬” 的狀態，才能在格物時不被私慾蒙蔽，真正認識到事物的道理。

In addition, the Cheng-Zhu school integrated the effort of “abiding in reverence and nurturing with reverence” into the details of The Great Learning’s instruction. Cheng Yi proposed the concept of “abiding in oneness without distraction,” defining “reverence” as an extreme singleness of spirit, not seduced by external things. Zhu Xi required that scholars, when reading, sit upright with a proper countenance and full concentration; in daily dealings, be cautious in speech and conduct and constantly discipline their own behavior; and take “abiding in reverence” as the fundamental attitude running through the entire study of The Great Learning. In his view, only by maintaining a state of “reverence” could one, when investigating things, avoid being blinded by selfish desires and truly recognize the principles of things.

可以說，程朱的 “入德之門”，本質上是一套完整的 “學而至聖” 教育邏輯：它不是少數精英的神秘體驗，而是面向所有普通人的、可落地的成長路徑；它將 “聖人” 的高遠目標，拆解為從小學到大學的日常課程和實踐，讓學者通過日積月累的持續修行，一步一個腳印，最終實現 “變化氣質”、復歸天理的聖人境界 —— 這正是程朱重構儒家教育次第的核心宗旨。

It can be said that the Cheng-Zhu “Gateway to the Virtue Realm of Sagehood ” is, in essence, a complete educational logic of “learning and thereby reaching sagehood.” It is not a mystical experience for a few elites, but a workable growth path open to all ordinary people. It breaks down the lofty goal of “sage” into daily curricula and practices from elementary learning to higher learning, enabling scholars, through continual, accumulated cultivation over time, step by step, to ultimately realize the sage’s state of “transforming one’s physical nature” and returning to Heavenly Principle – this is precisely the core purpose of the Cheng-Zhu reconstruction of the Confucian educational sequence.

三、歷史語境與現代解讀

III. Historical Context and Modern Interpretation

要真正理解二程、朱熹推崇 “入德之門” 的深層考量，需要將其放回特定的歷史語境中 —— 這是儒學在新的歷史條件下，進行自我革新、自我重構以回應時代危機的產物。同時，這一思想對後世的儒學發展、教育模式，乃至今天的道德建設與人文教育，都影響深遠。

To truly understand the deeper considerations behind the Cheng brothers’ and Zhu Xi’s esteem for the “Gateway to the Virtue Realm of Sagehood ,” one must place it back into its specific historical context – it was the product of Confucianism’s self-renewal and self-reconstruction under new historical conditions in response to the crisis of the era. At the same time, this thought has profoundly influenced later Confucian development, educational models, and even today’s moral construction and humanistic education.

3.1 道統重建與經典重構

3.1 Reconstruction of the Orthodoxy of the Way and Reconfiguration of the Classics

從儒學自身發展的軌跡來看，程朱對 “入德之門” 的表彰，本質上是一場 “道統重建” 與 “經典重構” 的雙重運動。

Seen from the trajectory of Confucianism’s own development, the Cheng-Zhu promotion of the “Gateway to the Virtue Realm of Sagehood ” was, in essence, a dual movement of “reconstructing the orthodoxy of the Way” and “reconfiguring the classics.”

在程朱之前，《大學》只是《禮記》中的一篇，其作為獨立經典的價值並未被充分認知；而二程將《大學》從《禮記》中獨立出來，重新編排章節、加以系統性註解，朱熹又花費畢生精力著《大學章句》，將其提升到儒家經典的核心位置 —— 這一 “經典重構” 的背後，是程朱對儒家 “道統” 的重新接續。他們認為，儒家有一個由堯、舜、禹、湯、文、武、周公，再由孔子傳至曾子、子思、孟子的 “道統”，但孟子去世後，這個 “道統” 就失傳了，“入德之門” 的為學次第也隨之湮沒。

Before the Cheng brothers and Zhu Xi, The Great Learning was merely one chapter in the Book of Rites, and its value as an independent classic had not been fully recognized. The Cheng brothers extracted The Great Learning from the Book of Rites, rearranged its sections and provided systematic annotations, and Zhu Xi then spent his lifelong energy writing Commentary on The Great Learning, elevating it to a core position among the Confucian classics. Behind this “classics reconfiguration” lay the Cheng-Zhu school’s endeavor to reconnect with the Confucian “orthodoxy of the Way.” They believed that Confucianism possessed an “orthodoxy of the Way” transmitted from Yao, Shun, Yu, Tang, Wen, Wu, and the Duke of Zhou, and then through Confucius to Zengzi, Zisi, and Mencius. However, after Mencius’s death, this orthodoxy of the Way was lost, and the “Gateway to the Virtue Realm of Sagehood ” sequence of learning was consequently submerged.

在程朱看來，《大學》的特殊價值，在於它是 “孔氏之遺書”，是儒家 “道統” 的唯一載體；它所記錄的 “入德之門”，是古代聖王修己治人的 “內聖外王” 之道的濃縮，也是連接 “道統” 與 “學統” 的關鍵紐帶 —— 學者只有通過《大學》的 “入德之門”，才能真正理解儒家聖人的本意，上接儒家失傳的 “道統”。

In the Cheng-Zhu view, the special value of The Great Learning lay in its being “a bequeathed text of Confucius,” the sole carrier of the Confucian “orthodoxy of the Way.” The “Gateway to the Virtue Realm of Sagehood ” recorded in it was the concentrated essence of the ancient sage kings’ way of “inner sageliness and outer kingship” in cultivating themselves and governing others, and also the crucial link connecting the “orthodoxy of the Way” with the “scholarly tradition.” Only through the “Gateway to the Virtue Realm of Sagehood ” of The Great Learning could scholars truly understand the original intent of the Confucian sages and reconnect upward with the lost Confucian orthodoxy of the Way.

在 “道統” 意識的支撐下，程朱將《大學》與《論語》《孟子》《中庸》合編為《四書》，並對《四書》的教學次序進行了精心編排，將《大學》列為四書之首，將其提升到《六經》之上的位置。這一經典重構的邏輯背後，是程朱對教育價值的重新定義：他們認為，《六經》多是關於具體政治制度、歷史事件的記載，內容過於宏闊，不適合作為初學者的教材；而《大學》給出的 “入德之門”，是一套由淺入深、循序漸進的為學次第，能讓學者先掌握修身的基本方法，再去研讀六經，才能真正理解其中的義理。

Supported by this consciousness of the “orthodoxy of the Way,” the Cheng-Zhu school combined The Great Learning with the Analects, Mencius, and Doctrine of the Mean into the Four Books, carefully arranged their teaching sequence, placed The Great Learning at the head of the Four Books, and elevated it to a position even above the Six Classics. Behind the logic of this classics reconfiguration was a redefinition of educational value by the Cheng-Zhu school: they held that the Six Classics mostly consisted of records about concrete political institutions and historical events; their content was too vast and grand to serve as teaching material for beginners. By contrast, the “Gateway to the Virtue Realm of Sagehood ” provided by The Great Learning was a step-by-step, progressive sequence of learning that allowed scholars first to grasp the basic method of self-cultivation, after which they could go on to study the Six Classics and only then truly understand the principles within them.

這一重構，對後世儒學的發展產生了決定性影響：它將儒學的核心議題，從漢唐的政治實踐、訓詁考據，轉移到 “入德” 的心性修養與道德實踐上；更重要的是，它為後世儒家提供了標準化的 “入德” 文本 —— 從元代會試開始，《四書章句集注》被定為官方指定教材，《大學》的 “入德之門” 成為後世儒生的必修課程，主導了中國傳統教育近七百年的發展方向。

This reconfiguration had a decisive impact on the later development of Confucianism: it shifted the core concerns of Confucianism from the political practice, philology, and textual criticism of the Han and Tang to the mind-nature cultivation and moral practice of “entering virtue.” More importantly, it provided later Confucians with a standardized “entering virtue” text: starting from the civil examinations of the Yuan dynasty, the Collected Commentaries on the Four Books was designated as the officially prescribed textbook, and the “Gateway to the Virtue Realm of Sagehood ” of The Great Learning became a mandatory curriculum for later Confucian students, dominating the direction of traditional Chinese education for nearly seven hundred years.

3.2 對後世儒學及教育的影響

3.2 Influence on Later Confucianism and Education

二程、朱熹的 “入德之門” 思想，是中國儒學史、教育史上的一座重要里程碑。它不僅重塑了儒學的理論特質，更深刻影響了中國後期封建社會的教育理念、學術走向和道德實踐。

The Cheng-Zhu thought on the “Gateway to the Virtue Realm of Sagehood ” is an important milestone in the history of Chinese Confucianism and education. It not only reshaped the theoretical character of Confucianism but also profoundly influenced the educational concepts, academic trends, and moral practice of late imperial China.

就學術層面而言，程朱對 “入德之門” 的闡釋，重新劃定了儒學與佛老之間的邊界，推動儒學發展進入了一個全新的階段。“入德之門” 所揭示的 “下學上達”、“格物致知” 與 “主敬涵養” 相結合的實踐路徑，以及 “由粗入精”、“由淺入深” 的為學次第，將儒家的道德實踐牢牢錨定在現實的人倫日用之中 —— 既堅持了道德的超越性，又杜絕了空談性命、脫離實際的弊病，形成了與 “陸王心學” 完全不同的理學風格。後世理學家的學術研究，基本都是在程朱開闢的這一 “入德” 框架內，對 “格物”“主敬” 等功夫進行進一步的細化和發揮。

On the academic level, the Cheng-Zhu interpretation of the “Gateway to the Virtue Realm of Sagehood ” redrew the boundary between Confucianism and Buddhism/Daoism, propelling Confucian development into an entirely new phase. The practical path revealed by the “Gateway to the Virtue Realm of Sagehood ” – the combination of “lower-level learning reaching upward,” “investigation of things and extension of knowledge,” and “abiding in reverence and nurturing with reverence,” along with the “from coarse to refined” and “from shallow to deep” learning sequence – firmly anchored Confucian moral practice in real, daily human relations. It maintained the transcendence of morality while eradicating the ills of empty talk about nature and destiny divorced from reality, forming a Neo-Confucian style completely distinct from the “Lu-Wang School of Mind.” The scholarly research of later Neo-Confucians basically carried out further refinement and elaboration of efforts such as “investigation of things” and “abiding in reverence” within this “entering virtue” framework opened up by the Cheng-Zhu school.

從教育維度來看，“入德之門” 的提出，意味着程朱建立了一套完整的、以道德養成為核心目標的儒家教育體系，徹底重塑了中國傳統教育的氣質。從元代至清末，《大學》被列為科舉考試的核心科目，“三綱領八條目” 成為全國學子必讀的道德修養課程；這一教育體系的核心目標，不是傳授單純的文字知識，而是培養 “內聖外王” 的聖賢人格，教導學子通過 “格物致知”“誠意正心” 的下學功夫，逐步實現 “明明德”、“止於至善” 的終極境界 —— 這一思路，主導了中國傳統教育的發展方向長達七百餘年。

From the educational dimension, the articulation of the “Gateway to the Virtue Realm of Sagehood ” signified that the Cheng-Zhu school had established a complete Confucian educational system with moral formation as its core objective, thoroughly reshaping the ethos of traditional Chinese education. From the Yuan dynasty to the end of the Qing, The Great Learning was listed as a core subject in the civil service examinations, and the “three guiding principles and eight items” became a moral cultivation curriculum that all students nationwide had to study. The core objective of this educational system was not to transmit purely textual knowledge, but to cultivate the sage personality of “inner sageliness and outer kingship,” teaching students, through the lower-level learning efforts of “investigation of things and extension of knowledge” and “sincerity of the will and rectification of the mind,” to gradually realize the ultimate states of “illustrating illustrious virtue” and “resting in the highest good” – this line of thought dominated the developmental direction of traditional Chinese education for more than seven hundred years.

從道德實踐的角度來說，“入德之門” 給出的是一套普通人可執行、可落地的道德成長路徑，將 “聖人” 這一高遠的道德目標，從神壇上拉到了普通人的面前。它不要求世人具備超凡的資質，也不要求人們脫離日常的生活與工作；相反，它將道德實踐落腳在日常的灑掃應對、事親事君待人接物之中，通過日積月累的持續實踐，逐步變化氣質、回歸善性 —— 這套邏輯，塑造了傳統中國人 “修身齊家” 的道德人格。

From the perspective of moral practice, the “Gateway to the Virtue Realm of Sagehood ” provided a moral growth path that ordinary people could execute and actualize, bringing the lofty moral goal of “sagehood” down from the altar to the level of ordinary people. It did not demand extraordinary innate ability, nor did it require people to leave behind their daily life and work. On the contrary, it grounded moral practice in everyday sweeping and answering, serving parents and rulers, and dealing with people and things, gradually transforming one’s physical nature and returning to goodness through accumulated, sustained practice over time – this logic shaped the moral personality of traditional Chinese people centered on “self-cultivation and regulation of the family.”

3.3 現代意義與價值重估

3.3 Modern Significance and Re-evaluation of Value

從現代的視角來看，程朱理學的客觀唯心主義世界觀、封閉的八股化教育載體，以及部分與現代社會脫節的人倫教條，無疑需要進行批判性的揚棄；但他們所揭示的 “入德之門”—— 這套關於道德修養的方法論、關於人文教育的次第邏輯，卻包含着普遍性的價值內核，對今天的道德建設與人文教育，仍有着重要的參考意義。

From a modern perspective, the objective-idealist worldview of Cheng-Zhu Neo-Confucianism, the closed educational vehicle of the eight-legged essay, and some human-relations dogmas that are out of step with modern society undoubtedly need to be critically sublated. However, the “Gateway to the Virtue Realm of Sagehood ” they revealed – this methodology of moral cultivation and the sequential logic of humanistic education – contains a universal core of value that still holds important referential significance for today’s moral construction and humanistic education.

其一，“入德之門” 所強調的 “下學上達”、道德實踐要從日常小事做起的基本邏輯，對糾正現代社會的道德危機具有參考價值。程朱將道德修養錨定在人倫日用之中，反對脫離現實、空談道德的思路，切中了現代社會的某些弊病：現代社會的道德教育，往往流於空洞的理論說教，忽視了日常行為的細節涵養，導致道德認知與實際行為的嚴重脫節；而 “入德之門” 的啟示，正在於它告訴我們：高遠的道德理想，必須落地在具體的日常事務之中。

First, the basic logic emphasized by the “Gateway to the Virtue Realm of Sagehood ” – “lower-level learning reaching upward” and that moral practice must begin with small everyday matters – has referential value for correcting the moral crisis of modern society. The Cheng-Zhu school anchored moral cultivation in daily human relations and opposed thinking that was divorced from reality and merely indulged in empty moral talk, thus hitting upon certain maladies of modern society: moral education in modern society often degenerates into hollow theoretical preaching, neglecting the subtle cultivation of daily conduct, leading to a serious disconnect between moral cognition and actual behavior. The inspiration of the “Gateway to the Virtue Realm of Sagehood ” lies precisely in its teaching that lofty moral ideals must be grounded in concrete, everyday affairs.

其二，“入德之門” 所蘊含的 “為學次第” 教育思想，對現代人文教育的實踐具有重要的借鑒意義。程朱強調，兒童與成人的教育目標、教學內容應有所區分，必須遵循由淺入深、由具體到抽象、由行為習慣到義理認知的循序漸進原則 —— 這正是現代教育所倡導的分層化、循序漸進式教學理念；而現代人文教育的部分困境，恰恰是違背了這一基本規律：在基礎教育階段，忽視日常行為規範的訓練，過早地灌輸空洞的道德理論，反而消解了學生的德行成長空間。

Second, the educational thought of the “sequence of learning” contained in the “Gateway to the Virtue Realm of Sagehood ” has important referential significance for the practice of modern humanistic education. The Cheng-Zhu school stressed that the educational objectives and teaching content for children and adults should be differentiated, and that one must follow the step-by-step principle from shallow to deep, from concrete to abstract, and from behavioral habits to principled understanding—precisely the stratified, progressive teaching philosophy advocated by modern education. Some of the difficulties of modern humanistic education stem precisely from violating this basic law: in the stage of basic education, training in daily behavioral norms is neglected, and hollow moral theories are instilled too early, actually eroding the space for students’ moral growth.

其三，“入德之門” 中 “格物致知” 與 “主敬涵養” 並重的功夫思想，對現代社會的人格培養具有借鑒價值。“格物致知” 強調通過探究事物的道理來提升認知水平，這與現代科學的實證精神有一定的契合之處；“主敬涵養” 強調內心的專註、敬畏與自我省察，這正是現代社會所缺乏的精神特質：在當下這個信息碎片化、人心浮躁、物慾橫行的時代，人們的精神世界普遍缺乏定力和敬畏心，充斥着焦慮與迷茫。而 “主敬” 的功夫，正是教導人們收束心思、專註做事、保持敬畏心、恪守道德邊界，在自我省察中不斷提升道德境界，實現內心的安定與豐盈。

Third, the effort thought in the “Gateway to the Virtue Realm of Sagehood ” that gives equal weight to “investigation of things and extension of knowledge” and “abiding in reverence and nurturing with reverence” has referential value for personality cultivation in modern society. “Investigation of things and extension of knowledge” emphasizes elevating the cognitive level through inquiring into the principles of things, which has a certain resonance with the empirical spirit of modern science. “Abiding in reverence and nurturing with reverence” emphasizes inner focus, awe, and self-reflection – precisely the spiritual traits that modern society lacks. In our present era of fragmented information, restless minds, and rampant material desires, people’s spiritual world generally lacks steadiness and a sense of awe and is filled with anxiety and confusion. The effort of “abiding in reverence” is precisely the teaching to gather one’s mind, focus on tasks, maintain a sense of awe, abide by moral boundaries, and constantly elevate one’s moral state through self-reflection, achieving inner calm and fullness.

二程、朱熹對 “入德之門” 的強調，絕非是對一篇儒家經典的偶然推崇或簡單學術考證，而是中國思想史上一次具有里程碑意義的學術重構，是儒學在隋唐佛道衝擊之後，絕地反擊以重塑自身生命力的自覺嘗試。它具有明確的理論和現實針對性：在理論層面，是要為儒家道德倫理建立 “天理” 本體論的支撐，構建起可以與佛老之學相抗衡的完整道德形上學；在實踐層面，是要重建一套可操作、可落地、由淺入深的進學路徑，將抽象的天理教化，轉化為從兒童到成人的、循序漸進的道德實踐。

The emphasis that the Cheng brothers and Zhu Xi placed on the “Gateway to the Virtue Realm of Sagehood ” was by no means a fortuitous esteem for one Confucian classic or a simple piece of scholarly textual research; rather, it was a landmark academic reconfiguration in the history of Chinese thought – a conscious endeavor by Confucianism, after the shocks of Buddhism and Daoism during the Sui and Tang dynasties, to counterattack desperately and reshape its own vitality. It had a clear theoretical and practical pertinence: on the theoretical level, it was meant to establish the support of a “Heavenly Principle” ontology for Confucian morality and ethics and to construct a complete moral metaphysics capable of standing against the teachings of Buddhism and Daoism; on the practical level, it was meant to reconstruct a workable, implementable, progressively deepening learning path that could transform abstract Heavenly Principle edification into a step-by-step moral practice from childhood to adulthood.

程朱的歷史功績，在於他們將《大學》從《禮記》中獨立出來，重新編排詮釋，建立起 “格物致知、誠意正心、修身齊家、治國平天下” 的完整邏輯，將 “入德之門” 定位為溝通形上的天理世界與形下的道德實踐的樞紐性橋樑；他們所建構的 “下學上達” 的理論路徑與實踐功夫，成功解決了此前儒學發展中面臨的兩大核心挑戰：一方面，它為儒家的內聖外王之道提供了形而上的理論支撐，解決了儒學理論思辨度不足、難以與佛老抗衡的時代問題；另一方面，它為普通學者提供了一條必須由淺入深、由粗入精的漸進修養路徑，將抽象的天理，轉化為人人可以通過日常踐履達成的道德實踐，重塑了儒家的 “修己治人” 之學。

The historical achievement of the Cheng brothers and Zhu Xi lies in the fact that they extracted The Great Learning from the Book of Rites, rearranged and reinterpreted it, established the complete logic of “investigation of things and extension of knowledge, sincerity of the will and rectification of the mind, self-cultivation and regulation of the family, ordering of the state and bringing peace to the whole world,” and positioned the “Gateway to the Virtue Realm of Sagehood ” as the pivotal bridge connecting the metaphysical world of Heavenly Principle with the concrete moral practice of the physical world. The theoretical path and practical effort of “lower-level learning reaching upward” that they constructed successfully resolved the two core challenges that the previous development of Confucianism had faced: on the one hand, it provided metaphysical theoretical support for the Confucian way of inner sageliness and outer kingship, solving the epochal problem that Confucian theory lacked sufficient speculative sophistication to rival Buddhism and Daoism; on the other hand, it provided ordinary scholars with a gradual cultivation path that had to proceed from the shallow to the deep and from the coarse to the refined, transforming abstract Heavenly Principle into moral practice that everyone could achieve through daily performance, thereby reshaping the Confucian learning of “cultivating oneself and governing others.”

[參考文獻.References]

陳來. (2000). 朱子哲學研究. 華東師範大學出版社.

Chen, L. (2000). Research on Master Zhu’s philosophy. East China Normal University Press.

陳來. (2004). 宋明理學. 華東師範大學出版社.

Chen, L. (2004). Song-Ming Neo-Confucianism. East China Normal University Press.

程顥, 程頤. (2000). 二程遺書. 上海古籍出版社.

Cheng, H., & Cheng, Y. (2000). Surviving writings of the two Cheng brothers. Shanghai Ancient Books Publishing House.

馮兵. (2024). 朱子曾子學考辨及其意義. 國家哲學社會科學工作辦公室項目成果, 5, 22.

Feng, B. (2024). Textual research and significance of Zhu Xi’s study on Zengzi’s works. National Office for Philosophy and Social Sciences, 5, 22.

郭曉東. (2020). 從小學之成到大學之始：朱熹小學論對其《大學》工夫理解的意義. 復旦學報, 4, 45–53.

Guo, X. D. (2020). From primary school completion to university initiation: The significance of Zhu Xi’s primary school theory for understanding his Great Learning praxis. Fudan University Journal, 4, 45–53.

洪明超. (2025). 入與德：朱子格物與主敬工夫的原初意義研究. 倫理與文明, 5, 42–51.

Hong, M. C. (2025). Entry and virtue: A study on the primary meaning of Zhu Xi’s gongwu and jingyang praxis. Ethics and Civilization, 5, 42–51.

李毅. (2026). 因“定”而立：《大學》思想結構新探. 頭條學術期刊, 6, 15–21.

Li, Y. (2026). Establishment through “abiding”: A new exploration of the ideological structure of The Great Learning. Toutiao Academic Journal, 6, 15–21.

龍涌霖. (2024). 秩序：《大學》之道的論述結構. 哲學研究, 9, 34–43.

Long, Y. L. (2024). Order: The discourse structure of the way of The Great Learning. Philosophical Research, 9, 34–43.

龍涌霖. (2025). 志於道：《大學》格致誠正的整體結構. 哲學研究, 3, 56–64.

Long, Y. L. (2025). Aspiring to the Dao: The holistic structure of The Great Learning’s investigation and enlightenment. Philosophical Research, 3, 56–64.

錢穆. (2011). 朱子新學案. 九州出版社.

Qian, M. (2011). New studies on Master Zhu. Jiuzhou Press.

孫傑. (2025). 轉化與生成：《大學》進入教育生活的理論邏輯與實踐路徑. 人民教育出版社.

Sun, J. (2025). Transformation and renewal: The theoretical logic and practical path of The Great Learning entering educational life. People’s Education Press.

脫脫 等. (1977). 宋史. 中華書局.

Tuo, T., et al. (1977). History of the Song dynasty. Zhonghua Book Company.

許宏志. (2024). 入德之門與當代大學生的內聖外王之道. 福州大學學生工作處.

Xu, H. Z. (2024). The Gateway to the Virtue Realm of Sagehood  and the way of inner sageliness and outer kingship for contemporary college students. Student Affairs Office of Fuzhou University.

人民日報. (2025年7月15日). 《大學》：儒家“初學入德之門”. 中國民族網.

People’s Daily. (2025, July 15). The Great Learning: Confucian “beginner’s Gateway to the Virtue Realm of Sagehood ”. China Ethnic Network.

朱熹. (1986). 朱子語類. 中華書局.

Zhu, X. (1986). Classified conversations of Master Zhu. Zhonghua Book Company.

朱熹. (2011). 四書章句集注. 中華書局.

Zhu, X. (2011). Collected commentaries on the four books. Zhonghua Book Company.