"The most difficult thing in life is to know yourself"
About this Quote
The intent isn’t self-help; it’s epistemic humility. Thales is essentially ranking mysteries, and putting the self above the cosmos. That inversion matters. The external world, for all its scale, can be observed, compared, tested. The self is the instrument doing the observing, full of blind spots, vanity, and motivated reasoning. Knowing yourself means confronting the ways you edit your own story in real time: the convenient amnesia, the rehearsed identities, the moral alibis.
The subtext is political as much as personal. In a culture moving toward public argument, law, and civic reputation, misunderstanding yourself becomes a social hazard: pride masquerading as virtue, ambition dressed up as destiny. Later Greek tradition would turn this into a program (the Delphic "know thyself"), but Thales frames it as a difficulty, not a slogan. That single choice keeps the line alive; it respects how rarely introspection pays out cleanly, and how often the self resists being known precisely because it’s busy trying to win.
Quote Details
| Topic | Wisdom |
|---|---|
| Source | Help us find the source |
| Cite | Cite this Quote |
Citation Formats
APA Style (7th ed.)
Thales. (n.d.). The most difficult thing in life is to know yourself. FixQuotes. https://fixquotes.com/quotes/the-most-difficult-thing-in-life-is-to-know-136448/
Chicago Style
Thales. "The most difficult thing in life is to know yourself." FixQuotes. Accessed February 3, 2026. https://fixquotes.com/quotes/the-most-difficult-thing-in-life-is-to-know-136448/.
MLA Style (9th ed.)
"The most difficult thing in life is to know yourself." FixQuotes, https://fixquotes.com/quotes/the-most-difficult-thing-in-life-is-to-know-136448/. Accessed 3 Feb. 2026.











