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Daily Inspiration Quote by Kong Fu Zi

"To know what you know and what you do not know, that is true knowledge"

About this Quote

Confucius isn’t selling humility as a virtue badge; he’s setting a standard for intellectual honesty that doubles as social ethics. “To know what you know and what you do not know” draws a hard line between competence and performance. The first half is ordinary - everyone knows things. The second half is the sting: can you accurately map the edges of your understanding without papering them over with confidence, status, or convenient vagueness?

The wording matters. This isn’t “know that you don’t know,” the abstract Socratic posture that can drift into stylish skepticism. It’s more practical and managerial: know both inventories. That makes “true knowledge” less about collecting facts and more about reliable self-assessment. In a culture where roles, ritual, and governance hinged on propriety and trust, epistemic overreach wasn’t just a personal flaw; it was a civic hazard. A minister who pretends expertise endangers the state. A parent who mistakes authority for insight warps the household. Misplaced certainty becomes bad governance.

The subtext is a quiet attack on bluffing - the ancient version of talking past your competence because the room rewards swagger. Confucius’ project was moral cultivation in public life, and this line is a tool for that: calibrate your claims, match words to reality, and you become dependable. “True knowledge” here is less a trophy than a discipline, a way to keep the self from lying in order to keep society from unraveling.

Quote Details

TopicWisdom
SourceThe Analects (Lunyu), Book II; classical Chinese passage: "知之為知之,不知為不知,是知也" — commonly translated as "To know what you know and what you do not know, that is true knowledge" (Confucius).
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Citation Formats

APA Style (7th ed.)
Zi, Kong Fu. (2026, January 15). To know what you know and what you do not know, that is true knowledge. FixQuotes. https://fixquotes.com/quotes/to-know-what-you-know-and-what-you-do-not-know-123906/

Chicago Style
Zi, Kong Fu. "To know what you know and what you do not know, that is true knowledge." FixQuotes. January 15, 2026. https://fixquotes.com/quotes/to-know-what-you-know-and-what-you-do-not-know-123906/.

MLA Style (9th ed.)
"To know what you know and what you do not know, that is true knowledge." FixQuotes, 15 Jan. 2026, https://fixquotes.com/quotes/to-know-what-you-know-and-what-you-do-not-know-123906/. Accessed 12 Feb. 2026.

More Quotes by Kong Add to List
Confucius: Know What You Know and What You Do Not
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About the Author

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Kong Fu Zi (551 BC - 479 BC) was a Philosopher from China.

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