Any doctrine that will not bear investigation is not a fit tenant for the mind of an honest man.

Nothing could add to the horror of hell, except the presence of its creator, God.

Ignorance is the worst form of slavery. (Paraphrased)

With soap, baptism is a good thing.

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.

If, with all the time at my disposal, with all the wealth of the resources of this vast universe, to do with as I will, I could not produce a better scheme of life than now prevails, I would be ashamed of my efforts and consider my work a humiliating failure.

We are all children of the same mother, and the same fate awaits us all. We, too, have our religion, and it is this: Help for the living-Hope for the dead.