"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
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
| Topic | Ethics & Morality |
|---|---|
| Source | William 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. |
| Cite |
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.






