True literacy is becoming an arcane art, and the nation is steadily "dumbing down."

Grip the nettle firmly and it will become a stick with which to beat your enemy.

If a conclusion is not poetically balanced, it cannot be scientifically true.

There’s nothing to it. All you have to do is take a close look at yourself and you will understand everyone else. We’re in no way different ourselves... You show me someone who can’t understand people and I’ll show you someone who has built up a false image of himself.

All of a sudden, space isn't friendly. All of a sudden, it's a place where people can die. . . . Many more people are going to die. But we can't explore space if the requirement is that there be no casualties; we can't do anything if the requirement is that there be no casualties.

A neat and orderly laboratory is unlikely. It is, after all, so much a place of false starts and multiple attempts.

Postulates are based on assumption and adhered to by faith. Nothing in the Universe can shake them.