Learn from the mistakes of others. You can't live long enough to make them all yourself. Boredom sets into boring minds. The more original a discovery, the more obvious it seems afterwards.

Every creative act – in science, art, or religion – involves a regression to a more primitive level, a new innocence of perception liberated from the cataract of accepted beliefs.

Chemically induced hallucinations, delusions and raptures may be frightening or wonderfully gratifying; in either case they are in the nature of confidence tricks played on one's own nervous system.

Adolescence is a kind of emotional seasickness. Both are funny, but only in retrospect.

War is a ritual, a deadly ritual, not the result of aggressive self-assertion, but of self-transcending identification. Without loyalty to tribe, church, flag or ideal, there would be no wars.

Scientists are peeping toms at the keyhole of eternity.

The temptations of God were always more dangerous for mankind than those of Satan.