What objectivity and the study of philosophy requires is not an 'open mind,' but an active mind - a mind able and eagerly willing to examine ideas, but to examine them criticially.

There is a fundamental moral difference between a man who sees his self-interest in production and a man who sees it in robbery. The evil of a robber does not lie in the fact that he pursues his own interests, but in what he regards as to his own interest; not in the fact that he pursues his values, but in what he chose to value; not in the fact that he wants to live, but in the fact that he wants to live on a subhuman level.

To the extent to which a man is rational, life is the premise directing his actions. To the extent to which he is irrational, the premise directing his actions is death.

She did not know the nature of her loneliness. The only words that named it were: This is not the world I expected.

If you tell an ugly woman that she is beautiful, you offer her the great homage of corrupting the concept of beauty.

To be free, a man must be free of his brothers. That is freedom. That and nothing else.

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.