If the world ever advances beyond what it is today, it must be led by men who express their real opinions.

You see, after all, few rich men own their property. The property owns them.

All I have to say is, Love one another - that is the height of all philosophy. It is beyond all religions. It is the secret of joy - the fountain of Perpetual Youth - the only rainbow on life's dark cloud.

To know that the Bible is the literature of a barbarous people, to know that it is uninspired, to be certain that the supernatural does not and cannot exist - all this is but the beginning of wisdom.

Intellect, without heart, is infinitely cruel. . . . So that, after all, the real aristocracy must be that of goodness where the intellect is directed by the heart.

Liberty is the condition of progress. Without Liberty, there remains only barbarism. Without Liberty, there can be no civilization.

If we admit that some infinite being has controlled the destinies of persons and peoples, history becomes a most cruel and bloody farce.