一孔录

English version: the interface and Yikonglu's notes are translated; quoted commentary stays in Chinese. The Chinese page is authoritative.

The Analects › Wei zheng (Book 2)

Wei zheng (Book 2) · chapter 17知之为知之

子曰:由!诲女知之乎?知之为知之,不知为不知,是知也。
Source text and commentary from Zhu Xi, Lunyu jizhu (Sibu beiyao printing).

Tap any sentence of the original to copy it with its source.

注Key words in the commentary

“子路好勇,盖有强其所不知以为知者”;“无自欺之蔽,亦不害其为知”;“况由此而求之,又有可知之理乎”。

读How Yikonglu reads it

认下不知道,是起步。

家Other commentaries

Our base text is Zhu Xi's Collected Commentaries (above). Here are other commentaries side by side: for old commentaries, the first line of the sub-commentary with a link to the woodblock scan; for modern editions, one short quoted translation for comparison. The “compared with Zhu Xi” notes are written by Yikonglu, not quoted.

皇侃《论语义疏》Liang dynasty · Zhibuzu Zhai edition · juan 一

“此章抑子路兼人也。”……

woodblock scan p. 81About this edition

杨伯峻《论语译注》Zhonghua Book Co. · modern, short quote

“知道就是知道,不知道就是不知道,这就是聪明智慧。”

About this edition

钱穆《论语新解》modern, short quote

“你知道你所知,又能同时知道你所不知,才算是知。”

About this edition

Compared with Zhu Xi

CommentaryPointRelationNote
杨伯峻《论语译注》解法有别word sense杨明确将末知读智、译聪明智慧;朱从知之道、不自欺论述,未在此标改读。不能据此断言朱排斥智慧义。
钱穆《论语新解》同旨而申说不同word sense钱强调同时知道已知与不知的界线,朱重不自欺与诚实承认;钱并未采用杨本末知读智的明确改读。

核Check every citation

Every commentary line quoted in the video: the original wording, who said it, and the page in the base edition. “Paraphrase” marks our summary, not the commentator's words. About this edition

Quoted textSourcePage
“女,音汝;由,孔子弟子,姓仲,字子路”Zhu Xi's commentarypage 31
“子路好勇,盖有强其所不知以为知者,故夫子告之曰:我教女以知之之道乎!但所知者则以为知,所不知者则以为不知”Zhu Xi's commentarypage 31
“如此则虽或不能尽知,而无自欺之蔽,亦不害其为知矣。况由此而求之,又有可知之理乎”Zhu Xi's commentarypage 31

音Pronunciation

CharacterIn the lineRead as
女诲女、教女rǔ

页Pages of the base edition

Cite this pageYikonglu, Analects Wei zheng (Book 2) 2.17 “知之为知之”, https://yikonglu.com/en/lunyu/wei-zheng/17.html, version 2026-11-04.

Last checked: 2026-11-04. Changes are logged on theerrata page.

Found an error in this chapter? Email us; once checked, it goes on the errata page under your username: email (image)

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