Cruelty hardens and degrades, kindness reforms and ennobles.

Let us account for all we see by the facts we know. If there are things for which we cannot account, let us wait for light. To account for anything by supernatural agencies is, in fact to say that we do not know. Theology is not what we know about God, but what we do not know about Nature.

It has always seemed to me that a being coming from another world, with a message of infinite importance to mankind, should at least have verified that message by his own signature. Is it not wonderful that not one word was written by Christ?

No man with a sense of humor ever founded a religion.

It cannot be said too often that actions are good or bad in the light of consequences, and that a clear perception of consequences would control actions. That which increases the sum of human happiness is moral; and that which diminishes the sum of human happiness is immoral. . . . Blind, unreasoning obedience is the enemy of morality.

As a man develops, he places a greater value upon his own rights. Liberty becomes a grander and diviner thing. As he values his own rights he begins to value the rights of others. And when all men give to all others all the rights they claim for themselves, this world will be civilized.

Music was born of love. Had there never been any human affection, there never could have been uttered a strain of music.