Human beings and their actions constitute the advancing front, the surging crest of an ongoing movement that never stops.

The highest ethical duty is often to discard the outmoded ethics of the past.

To define twentieth-century humanism briefly, I would say that it is a philosophy of joyous service for the greater good of all humanity in this natural world and advocating the methods of reason, science, and democracy.

Supernatural entities simply do not exist. This nonreality of the supernatural means, on the human level, that men do not possess supernatural and immortal souls; and, on the level of the universe as a whole, that our cosmos does not possess a supernatural and eternal God.

Most men, I am convinced, have an unmistakable feeling at the final moment of significant choice that they are making a free decision, that they can really decide which one of two or more roads to follow.

The intuition of free will gives us the truth.

The theory that everyone acts from self-interest, direct or indirect, is psychologically unsound. . . . Throughout history . . . there have been millions of men and women with some sort of Humanist philosophy who have consciously given up their lives for a social ideal.