We have at last ascertained that miracles can be perfectly understood; that there is nothing mysterious about them; that they are simply transparent falsehoods.

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.

The churches have no confidence in each other. Why? Because they are acquainted with each other.

Injustice upon earth renders the justice of of heaven impossible.

Every library is an arsenal.

The priests of one religion never credit the miracles of another religion. Is this because priests instinctively know priests?

Religion can never reform mankind because religion is slavery.