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Daily Inspiration Quote by William Kingdon Clifford

"In like manner, if I let myself believe anything on insufficient evidence, there may be no great harm done by the mere belief; it may be true after all, or I may never have occasion to exhibit it in outward acts"

About this Quote

Clifford is baiting the comforting fantasy that private beliefs are consequence-free. He sets up the soothing excuse with lawyerly calm - “no great harm,” “mere belief,” “true after all” - then lets the rot show in the final clause: “or I may never have occasion to exhibit it.” The line is a portrait of moral laziness dressed as prudence. It’s not that the belief is harmless; it’s that the believer is betting they’ll never be tested.

As a mathematician writing in a Victorian culture swollen with imperial confidence, religious controversy, and a rising faith in science, Clifford’s target is the gentlemanly habit of treating belief as a kind of parlor ornament: optional, aesthetic, insulated from accountability. His phrasing mimics the internal monologue of someone who wants the pleasure of conviction without the burden of proof. “Insufficient evidence” is the key technical phrase: he imports the ethics of proof from mathematics into everyday life, insisting that epistemology isn’t abstract. It’s character.

The subtext is social. Even if a single belief never cashes out in action, the practice of believing lightly trains you to be the kind of person who will believe lightly again - and act on it when the stakes finally arrive. Clifford is arguing against the privatization of belief: convictions leak. They shape what you’re prepared to accept, whom you trust, which authorities you excuse, what rumors you pass along. The sentence is doing what good polemic does: granting the opponent their best defense in order to show it’s not a defense at all.

Quote Details

TopicEthics & Morality
SourceWilliam K. Clifford, "The Ethics of Belief" (essay), Contemporary Review, 1877 — passage discussing the harm of believing on insufficient evidence; reprinted in his Lectures and Essays.
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Citation Formats

APA Style (7th ed.)
Clifford, William Kingdon. (2026, January 18). In like manner, if I let myself believe anything on insufficient evidence, there may be no great harm done by the mere belief; it may be true after all, or I may never have occasion to exhibit it in outward acts. FixQuotes. https://fixquotes.com/quotes/in-like-manner-if-i-let-myself-believe-anything-19575/

Chicago Style
Clifford, William Kingdon. "In like manner, if I let myself believe anything on insufficient evidence, there may be no great harm done by the mere belief; it may be true after all, or I may never have occasion to exhibit it in outward acts." FixQuotes. January 18, 2026. https://fixquotes.com/quotes/in-like-manner-if-i-let-myself-believe-anything-19575/.

MLA Style (9th ed.)
"In like manner, if I let myself believe anything on insufficient evidence, there may be no great harm done by the mere belief; it may be true after all, or I may never have occasion to exhibit it in outward acts." FixQuotes, 18 Jan. 2026, https://fixquotes.com/quotes/in-like-manner-if-i-let-myself-believe-anything-19575/. Accessed 5 Feb. 2026.

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William Kingdon Clifford (May 4, 1845 - March 3, 1879) was a Mathematician from England.

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