--- title: "Meaning & Key Takeaway of: He who claims to be sure of something for…" description: "\"He who claims to be sure of something for which there is no evidence is a fool, and he who acts on the basis of what cannot be proved is an imposter.\" ..." image: "https://sms4smile.com/quotes/i/c42/han-fei-17920_bases_he-who-claims-to-be-sure-of-something-fo_832852.jpg" --- # He who claims to be sure of something for which there is… ![“He who claims to be sure of something for which there is no evidence is a fool, and he who acts on the basis of what cannot be proved is an imposter.” quote by Han Fei](https://sms4smile.com/quotes/i/c42/han-fei-17920_bases_he-who-claims-to-be-sure-of-something-fo_832852.jpg) [Download](https://sms4smile.com/quotes/i/c42/han-fei-17920_bases_he-who-claims-to-be-sure-of-something-fo_832852.jpg) [Open image](https://sms4smile.com/quotes/i/c42/han-fei-17920_bases_he-who-claims-to-be-sure-of-something-fo_832852.jpg) > “He who claims to be sure of something for which there is no evidence is a fool, and he who acts on the basis of what cannot be proved is an imposter.” [Han Fei](https://sms4smile.com/quotes/author/han-fei/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. The quote warns that asserting certainty without evidence and acting on unprovable claims are both foolish and deceitful. **In simple terms:** Claiming certainty without proof is foolish; acting on unprovable ideas is deceitful. Key Takeaway Question evidence before belief and action. Themes skepticism integrity critical thinking Mood cautious analytical Type philosophical ethical critical. When to use this quote - debates - scientific research - policy making - personal decisions - legal arguments Key Concepts epistemology logic ethics Questions to Reflect On - How do you verify claims before acting? - When is it acceptable to act on incomplete evidence? A Different Perspective It may be hard to act decisively when evidence is scarce. ★ ★ ★ ★ ★ No ratings yet [Bases](https://sms4smile.com/quotes/about/bases/) [Claims](https://sms4smile.com/quotes/about/claims/) [Evidence](https://sms4smile.com/quotes/about/evidence/) [Evidence Fool](https://sms4smile.com/quotes/about/evidence-fool-573868/) [Fool](https://sms4smile.com/quotes/about/fool/) [Fool Acts](https://sms4smile.com/quotes/about/fool-acts-573869/) [Imposter](https://sms4smile.com/quotes/about/imposter/) [Philosophy](https://sms4smile.com/quotes/about/philosophy/) [Proved Imposter](https://sms4smile.com/quotes/about/proved-imposter-573867/) [Sure Evidence](https://sms4smile.com/quotes/about/sure-evidence-573870/) ## Related quotes > [Before you accuse someone make sure you have all your evidence.](https://sms4smile.com/quotes/anonymous/before-you-accuse-someone-make-sure-you-have-all-your-evidence/) [Anonymous](https://sms4smile.com/quotes/author/anonymous/) > [People have been to jail when they're innocent. 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