Any intelligent fool can make things bigger, more complex, and more violent. It takes a touch of genius -- and a lot of courage -- to move in the opposite direction.

I hate quotations. Tell me what you know.

With or without religion, you would have good people doing good things and evil people doing evil things. But for good people to do evil things, that takes religion.

It is better to be quotable than to be honest.

Man is the only animal that laughs and weeps, for he is the only animal that is struck with the difference between what things are and what they ought to be.

No two beings and no two situations are really commensurable with each other; To become aware of this is to undergo a sort of crisis.

Each problem that I solved became a rule which served afterwards to solve other problems.

Opportunities multiply as they are seized.

The truth is always a compound of two half- truths, and you never reach it, because there is always something more to say.

Genius means little more than the faculty of perceiving in an unhabitual way.