God is a concept by which we measure our pain.

We have just enough religion to make us hate, but not enough to make us love one another.

So long as one believes in God, one has the right to do the Good in order to be moral.

The Church says that the earth is flat, but I know that it is round, for I have seen the shadow on the moon, and I have more faith in the shadow than in the Church.

One religion is as true as another.

Among all nations, through the darkest polytheism glimmer some faint sparks of monotheism.

If God did not exist, it would be necessary to invent him.

The wrath of the lion is the wisdom of God.

Religion is by no means a proper subject of conversation in mixed company.

The various modes of religion which prevailed in the Roman world were all considered by the people as equally true, by the philosophers equally false, and by the magistrate as equally useful.

Whatsoever is, is in God.

God is a complex of ideas formed by the tribe, the nation, and humanity, which awake and organize social feelings and aim to link the individual to society and to bridle the zoological individualism.

Without doubt God is the universal moving force, but each being is moved according to the nature that God has given it. He directs angels, man, animals, brute matter, in sum all created things—but each according to its nature—and man having been created free, he is freely led. This rule is truly the eternal law and in it we must believe.