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

The original mixed ancestry of the Jews and their subsequent history of intermixture with every people among whom they have lived and continue to live.

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.

It is not the most lovable individuals who stand more in need of love, but the most unlovable

By virtue of being born to humanity, every human being has a right to the development and fulfillment of his potentialities as a human being.

Children are the most learning-hungry beings in the world.

Hell has been described as a pocket edition of Chicago.