Nature smiles at the union of freedom and equality in our utopias. For freedom and equality are sworn and everlasting enemies, and when one prevails the other dies.

That a few simple men should in one generation have invented so powerful and appealing a personality, so lofty ethic, and so inspiring a vision of human brotherhood, would be a miracle far more incredible than any recorded in the Gospels.

In philosophy, as in politics, the longest distance between two points is a straight line.

The individual succumbs, but he does not die if he has left something to mankind.

The laws that Charondas gave to Catana,... A man might divorce his wife, or a wife her husband, said Charondas, but then he or she must not marry anyone younger than the divorced mate.

Progress is the increasing control of the environment by life.

Nature has never read the Declaration of Independence. It continues to make us unequal.