"Wit must be foiled by wit: cut a diamond with a diamond"
About this Quote
“Cut a diamond with a diamond” adds a hard, glittering metaphor that’s less romantic than it sounds. Diamonds signify value and durability, but also coldness; you don’t soften a diamond, you meet it with something equally unyielding. The subtext is almost Machiavellian: tenderness won’t disarm a clever adversary; moralizing won’t either. Only comparable ingenuity can check ingenuity. It’s an argument for symmetrical escalation, a social physics where power is answered by power.
Context matters: Congreve’s comedies obsess over surfaces - fashion, flirtation, reputation - because surfaces are where social life is negotiated. Wit becomes a form of currency and defense, especially in a culture suspicious of sincerity after civil war and Puritan rule. The intent, then, isn’t to celebrate cleverness as airy brilliance; it’s to insist on it as self-protection. In Congreve’s hands, the smartest person in the room isn’t the peacemaker. They’re the one who knows how to parry.
Quote Details
| Topic | Witty One-Liners |
|---|---|
| Source | Help us find the source |
| Cite |
Citation Formats
APA Style (7th ed.)
Congreve, William. (2026, January 18). Wit must be foiled by wit: cut a diamond with a diamond. FixQuotes. https://fixquotes.com/quotes/wit-must-be-foiled-by-wit-cut-a-diamond-with-a-11543/
Chicago Style
Congreve, William. "Wit must be foiled by wit: cut a diamond with a diamond." FixQuotes. January 18, 2026. https://fixquotes.com/quotes/wit-must-be-foiled-by-wit-cut-a-diamond-with-a-11543/.
MLA Style (9th ed.)
"Wit must be foiled by wit: cut a diamond with a diamond." FixQuotes, 18 Jan. 2026, https://fixquotes.com/quotes/wit-must-be-foiled-by-wit-cut-a-diamond-with-a-11543/. Accessed 16 Feb. 2026.









