In a free society, one does not have to deal with those who are irrational. One is free to avoid them.

I do not think that tragedy is our natural fate and I do not live in chronic dread of disaster. It is no happiness, but suffering that I consider unnatural. It is not success, but calamity that I regard as the abnormal exception in Human Life.

Well, I always know what I want. And when you know what you want--you go toward it. Sometimes you go very fast, and sometimes only an inch a year. Perhaps you feel happier when you go fast. I don't know. I've forgotten the difference long ago, because it really doesn't matter, so long as you move.

No concept man forms is valid unless he integrates it without contradiction into the sum of his knowledge.

The hardest thing to explain is the glaringly evident which everybody had decided not to see.

An irresponsible person is a person who makes vague promises, then breaks his word, blames it on circumstances and expects other people to forgive it.

Self-esteem is reliance on ones power to think.