Let us destroy, but don't let us pretend that we are commiting an act of virtue.

Live a life as a monument to your soul.

Great men can't be ruled.

The age of the skyscraper is gone. This is the age of the housing project. Which is always a prelude to the age of the cave.

You'll come back, because yours is an error of knowledge, not a moral failure, not an act of surrender to evil, but only the last act of being victim to your own virtue. We'll wait for you and when you come back, you will have discovered that there need never be any conflict among your desires, nor so tragic a clash of values as the one you've borne so well.

In proportion to the mental energy he spent, the man who creates a new invention receives but a small percentage of his value in terms of material payment, no matter what fortune he makes, no matter what millions he earns. But the man who works as a janitor in the factory producing that invention, receives an enormous payment in proportion to the mental effort that his job requires of him. And the same is true of all men between, on all levels of ambition and ability.

Ordinary human concern for human distress does not manifest itself ordinarily in the form of a gun aimed at the wallets and earnings of one's neighbors.