A good world needs knowledge, kindliness, and courage; it does not need a regretful hankering after the past or a fettering of the free intelligence by the words uttered long ago by ignorant men.

There was a law in Connecticut - I believe it is still formally unrepealed - making it illegal for a man to kiss his wife on Sunday.

Conquer the world by intelligence, and not merely by being slavishly subdued by the terror that comes from it.

It can be shown that a mathematical web of some kind can be woven about any universe containing several objects. The fact that our universe lends itself to mathematical treatment is not a fact of any great philosophical significance.

No one gossips about other people's secret virtues.

The time you enjoy wasting is not wasted time.

Most of the greatest evils that man has inflicted upon man have come through people feeling quite certain about something which, in fact, was false.