“That crazy bastard may be the only sane one left.”
Source: Catch-22
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Joseph Heller 132
American author 1923–1999Related quotes
“In the country of the mad, the sane man is crazy.”
The Overman Culture (1971)
“But crazy people never think they're crazy. You're sane just by the virtue of the question.”
Source: Seduce Me in Dreams

Nora Ephron, Heartburn (1983), as reported in What a piece of work is man!: Camp's unfamiliar quotations from 2000 B.C. to the present (1989), p. 320.

“I always admired Patton. Oh, sure, the stupid bastard was crazy.”
The Brass Ring (1971)
Context: If you're a leader, you don't push wet spaghetti, you pull it. The U. S. Army still has to learn that. The British understand it. Patton understood it. I always admired Patton. Oh, sure, the stupid bastard was crazy. He was insane. He thought he was living in the Dark Ages. Soldiers were peasants to him. I didn't like that attitude, but I certainly respected his theories and the techniques he used to get his men out of their foxholes.
“Science fiction at its best should be crazy and dangerous, not sane and safe.”
Source: How To Write Science Fiction