Compromise does not satisfy, but dissatisfies everybody; it does not lead to any general fulfillment, but to general frustration; those who try to become everything to all people end up by not being anything to anyone.

The purpose of morality is to teach you, not to suffer and die, but to enjoy yourself and live.

To the extent to which a man is rational, life is the premise directing his actions. To the extent to which he is irrational, the premise directing his actions is death.

There is a fundamental conviction which some people never acquire, some hold only in their youth, and a few hold to the end of their days-the conviction that ideas matter . . . . That ideas matter means that knowledge matters, that truth matters, that one's mind matters . . .

A man doesn't borrow pieces of his body. A building doesn't borrow hunks of its soul. Its maker gives it the soul and every wall, window and stairway to express it.

One can't love man without hating most of the creatures who pretend to bear his name.

Science was born as a result and consequence of philosophy; it cannot survive without a philosophical base. If philosophy perishes, science will be next to go.