"Man has no greater enemy than himself"
About this Quote
The intent is both moral and diagnostic. “Enemy” frames the self as an active force, not a passive flaw. He’s pointing at the ways desire, vanity, and compulsive comparison turn a person into their own adversary. This is the Petrarchan drama in miniature: the mind that can reach for transcendence is the same mind that loops, rationalizes, and betrays its best knowledge. The subtext is almost modern: you don’t need demons when you have self-deception; you don’t need fate when you have appetite.
Context matters. Petrarch wrote at the hinge between medieval Christian introspection and a new confidence in human capability. That tension produces a special kind of anxiety: if you are free enough to shape your life, you are also responsible for the ways you ruin it. The line works because it’s unsparing without being melodramatic. It reduces grand external conflicts to an internal contest of will, making every victory provisional and every defeat uncomfortably personal.
Quote Details
| Topic | Wisdom |
|---|---|
| Source | Later attribution: An Examination of the Advantages of Solitude, and of Its ... (Johann Georg Zimmermann, 1808) modern compilationID: DakWAAAAQAAJ
Evidence: ... Petrarch , " man has no greater enemy than himself , I have acted contrary to my sentiments and incli- nation ; throughout our whole lives we do what we never intended , and what we proposed to do , we leave undone . " But Petrarch ... Other candidates (1) Petrarch (Petrarch) compilation95.0% iis utriusque fortunae 1354 book ii man has no greater enemy than himself i have |
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Citation Formats
APA Style (7th ed.)
Petrarch. (2026, January 14). Man has no greater enemy than himself. FixQuotes. https://fixquotes.com/quotes/man-has-no-greater-enemy-than-himself-15553/
Chicago Style
Petrarch. "Man has no greater enemy than himself." FixQuotes. January 14, 2026. https://fixquotes.com/quotes/man-has-no-greater-enemy-than-himself-15553/.
MLA Style (9th ed.)
"Man has no greater enemy than himself." FixQuotes, 14 Jan. 2026, https://fixquotes.com/quotes/man-has-no-greater-enemy-than-himself-15553/. Accessed 12 Feb. 2026.












