The way I change my life is to act as if I am the person I really want to be.

It is the mark of the cultured man that he is aware of the fact that equality is an ethical and not a biological principle

It is work, work that one delights in, that is the surest guarantor of happiness. But even here it is a work that has to be earned by labor in one's earlier years. One should labor so hard in youth that everything one does subsequently is easy by comparison.

The scientist believes in proof without certainty.

The natural superiority of women is a biological fact, and a socially acknowledged reality.

The cultured man is an artist, an artist in humanity.

The Eskimos live among ice all their lives but have no single word for ice.