Courage without conscience is a wild beast.

If I owe Smith ten dollars and God forgives me, that doesn't pay Smith.

In the presence of death I affirm and reaffirm the truth of all that I have said against the superstitions of the world. I would say that much on the subject with my last breath.

Creationists use facts the same way a drunk uses a lightpost: for support instead of illumination

I read the other day an account of a meeting between John Knox and John Calvin. Imagine a dialogue between a pestilence and a famine!

The myth of hell represents all the meanness, all the revenge, all the selfishness, all the cruelty, all the hatred, all the infamy of which the heart of man is capable.

When your little child tells a lie, do not rush at him as though the world were about to go into bankruptcy. Be honest with him. A tyrant father will have liars for his children; do you know that? A lie is born of tyranny upon the one hand and weakness upon the other, and when you rush at a poor little boy with a club in your hand, of course he lies.