The worst guilt is to accept an undeserved guilt — and that is what you have been doing all your life.

Man's mind is his basic tool of survival. Life is given to him, survival is not. His body is given to him, its sustenance is not. His mind is given to him, its content is not. To remain alive, he must act, and before he can act he must know the nature and purpose of his action. He cannot obtain his food without a knowledge of food and of the way to obtain it. He cannot dig a ditch-or build a cyclotron-without a knowledge of his aim and of the means to achieve it. To remain alive, he must think

A businessman cannot force you to buy his product; if he makes a mistake, he suffers the consequences; if he fails, he takes the loss. If bureaucrat makes a mistake, you suffer the consequences; if he fails, he passes the loss on to you.

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

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

It is a matter of record that in the German Election of 1933, the Communist Party was ordered by its leaders to vote for the Nazis - with the explanation that they could later fight the Nazis for power, but first they had to help destroy their common enemy : capitalism and its parliamentary form of government.

Morality is a code of black and white. When and if men attempt a compromise, it is obvious which side will necessarily lose and which will necessarily profit.