I believe in an America where the separation of church and state is absolute, where no Catholic prelate would tell the president (should he be a Catholic) how to act and no Protestant minister would tell his parishioners for whom to vote.

One religion is as true as another.

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

The most dangerous madmen are those created by religion, and people whose aim is to disrupt society always know how to make good use of them.

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

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.

Reason and experience both forbid us to expect that national morality can prevail in exclusion of religious principle.

Educate people without religion and you make them but clever devils.

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

Religion! How it dominates man’s mind, how it humiliates and degrades his soul. God is everything, man is nothing, says religion. But out of that nothing God has created a kingdom so despotic, so tyrannical, so cruel, so terribly exacting that naught but gloom and tears and blood have ruled the world since gods began.

Whatsoever is, is in God.

The wrath of the lion is the wisdom of God.

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