Of all the tyrannies that affect mankind tyranny in religion is the worst.

In nearly every religion I am aware of there is a variation of the golden rule. And even for the non-religious it is a tenet of people who believe in humanistic principles.

Religion is excellent stuff for keeping common people quiet.

I'm religiously opposed to religion.

Is it not a species of blasphemy to call the New Testament revealed religion when we see in it such contradictions and absurdities.

As with the Christian religion the worst advertisement for Socialism is its adherents.

Persecution is not an original feature in any religion but it is always the strongly marked feature of all religions established by law.

One of the things that is wrong with religion is that it teaches us to be satisfied with answers which are not really answers at all.

Religion is all bunk.

Religion is an illusion and it derives its strength from the fact that it falls in with our instinctual desires.

If any of you should ask me for an epitome of the Christian religion I should say that it is in one word - prayer. Live and die without prayer and you will pray long enough when you get to hell.

Religion is the sigh of the oppressed creature the heart of a heartless world and the soul of soulless conditions. It is the opium of the people.

Religion is the frozen thought of man out of which they build temples.

We have enslaved the rest of the animal creation and have treated our distant cousins in fur and feathers so badly that beyond doubt if they were able to formulate a religion they would depict the Devil in human form.

Whoever seeks to set one religion against another seeks to destroy all religion.

I say quite deliberately that the Christian religion as organized in its Churches has been and still is the principal enemy of moral progress in the world.

No religion has mandated killing others as a requirement for its sustenance or promotion.

Communism like any other revealed religion is largely made up of prophecies.

There is no surer sign of decay in a country than to see the rites of religion held in contempt.

Religion is for people who are scared to go to hell. Spirituality is for people who have already been there.

Skeptical scrutiny is the means in both science and religion by which deep thoughts can be winnowed from deep nonsense.

It was not a religion that attacked us that September day. It was al-Qaeda. We will not sacrifice the liberties we cherish or hunker down behind walls of suspicion and mistrust.

The Christian religion though scattered and abroad will in the end gather itself together at the foot of the cross.

Nothing can be more contrary to religion and the clergy than reason and common sense.