Men prosper or fail, survive or perish in proportion to the degree of their rationality.

I consider promiscuity immoral. Not because sex is evil, but because sex is too good and too important.

Words are a lens to focus one's mind.

Self-esteem is reliance on ones power to think.

But there are people who'll try to hurt you through the good they see in you--knowing that it's the good, needing it and punishing you for it. Don't let it break you when you discover that.

Wealth is the product of man's capacity to think.

We are on strike, we, the men of the mind. We are on strike against self-immolation. We are on strike against the creed of unearned rewards and unrewarded duties. We are on strike against the dogma that the pursuit of one's happiness is evil. We are on strike against the doctrine that life is guilt.