Love your friends and be just to your enemies.

Labor is the only prayer that Nature answers: It is the only prayer that deserves an answer—good, honest, noble work.

Only the very ignorant are perfectly satisfied that they know. To the common man the great problems are easy. He has no trouble in accounting for the universe. He can tell you the origin and destiny of man and the why and wherefore of things.

Every creed is a rock in running water: humanity sweeps by it. Every creed cries to the universe, "Halt!" A creed is the ignorant Past bulling the enlightened Present.

This is my creed: Happiness is the only good; reason the only torch; justice the only worship, humanity the only religion, and love the only priest.

The few have said, Think! The many have said, Believe! The first doubt was the womb and cradle of progress, and from the first doubt, man has continued to advance.

It is a blessed thing that in every age some one has had individuality enough and courage enough to stand by his own convictions, -- some one who had the grandeur to say his say. I believe it was Magellan who said, The church says the earth is flat; but I have seen its shadow on the moon, and I have more confidence even in a shadow than in the church. On the prow of his ship were disobedience, defiance, scorn, and success.