Many people know how to work hard; many others know how to play well; but the rarest talent in the world is the ability to introduce elements of playfulness into work, and to put some constructive labor into our leisure.

Much as a teacher may wince at the thought, he is also an entertainer—for unless he can hold his audience, he cannot really instruct or edify them.

There are always too many Democratic congressmen, too many Republican congressmen, and never enough U.S. congressmen.

Honesty consists of the unwillingness to lie to others; maturity, which is equally hard to attain, consists of the unwillingness to lie to oneself.

A famously wise old man in a village was once asked how he came by his wisdom. "I got it from my good judgment," he answered. And where did his good judgment come from? "I got it from my bad judgment."

The real danger is not that computers will begin to think like men, but that men will begin to think like computers.

Enemies, as well as lovers, come to resemble each other over a period of time.