"Three-fourths of the mistakes a man makes are made because he does not really know what he thinks he knows"
About this Quote
The subtext is procedural, almost bureaucratic. Diplomacy runs on briefings, assumptions, and the delicate management of “known facts” that are often rumors, ideological priors, or yesterday’s truths. In that world, ignorance is visible and therefore correctable; overconfidence is invisible until it detonates. “What he thinks he knows” points to secondhand knowledge and the ego’s desire for closure: the mind labeling a story as settled because uncertainty is socially expensive. Leaders can’t endlessly hedge, so they perform decisiveness. Bryce is warning that performance can harden into belief.
The phrasing also smuggles in a critique of masculinity and authority without moralizing it. “A man makes” suggests the public actor, the person with enough power for his errors to matter. Mistakes scale with status; so does the temptation to treat intuition as intelligence.
Contextually, Bryce lived through an era of imperial administration and mass politics, when states were learning to govern complex societies with simplified narratives. His sentence reads like an antidote to propaganda and to the internal propaganda we run on ourselves: certainty as a comfort, paid for with avoidable error.
Quote Details
| Topic | Knowledge |
|---|---|
| Source | Help us find the source |
| Cite |
Citation Formats
APA Style (7th ed.)
Bryce, James. (2026, January 15). Three-fourths of the mistakes a man makes are made because he does not really know what he thinks he knows. FixQuotes. https://fixquotes.com/quotes/three-fourths-of-the-mistakes-a-man-makes-are-56436/
Chicago Style
Bryce, James. "Three-fourths of the mistakes a man makes are made because he does not really know what he thinks he knows." FixQuotes. January 15, 2026. https://fixquotes.com/quotes/three-fourths-of-the-mistakes-a-man-makes-are-56436/.
MLA Style (9th ed.)
"Three-fourths of the mistakes a man makes are made because he does not really know what he thinks he knows." FixQuotes, 15 Jan. 2026, https://fixquotes.com/quotes/three-fourths-of-the-mistakes-a-man-makes-are-56436/. Accessed 12 Feb. 2026.












