“He thought in other heads, and in his own, others besides himself thought”

“We're not responsible, he thought. This planet is a temporary affair. It's whizzing with all kinds of other ones, a whole range of planetary stuff, toward a star in the Milky Way. On that kind of a planet we're not responsible, he thought.”

“A Man lives off his head.His head won't see him through.Inspect your own—What lives on that?At most, a louse or two . . .”

“Mankind lives by its headIts head won't see him throughInspect your own. What lives off that?At most a louse or two.”

“He was weak on philosophy and an excellent driver, but his driving was a lot more dangerous than his philosophy.”

“When the Chinese Wall was built, where'd the masons go for lunch? When Caesar conquered Gaul, was there not even a cook in the army? When the Armada sank, King Philip wept. Were there no other tears?”

“Knowledge is just a commodity. It is acquired in order to be resold. All those who have grown out of going to school have to do their learning virtually in secret, for anyone who admits the he has still something to learn devalues himself as a man whose knowledge is inadequate.”