Let us agree not to step on each other’s feet.

We must remember that we have to make judges out of men, and that by being made judges their prejudices are not diminished and their intelligence is not increased.

Prayer is of no avail. The lightning falls on the just and the unjust in accordance with natural laws.

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.

A crime against god is a demonstrated impossibility.

Where is the soul? . . . I refuse to believe anything of that kind without proof. The idea that, as soon as a man's breath leaves his body, the soul flops out like a chicken's head and flies off into space to find a lodgment where there [are] harps and haloes. Too much for me.

Courage without conscience is a wild beast.