Religion has caused more misery to all of mankind in every stage of human history than any other single idea.

Religion has caused more misery to all of mankind in every stage of human history than any other single idea.

Religion is not a department of life; it is something that enters into the whole of it.

Religion is not a department of life; it is something that enters into the whole of it.

Doubt is part of all religion. All the religious thinkers were doubters.

Doubt is part of all religion. All the religious thinkers were doubters.

Religion consists of a set of things which the average man thinks he believes and wishes he was certain

Religion consists of a set of things which the average man thinks he believes and wishes he was certain

I fear one day I'll meet God, he'll sneeze and I won't know what to say.

I fear one day I'll meet God, he'll sneeze and I won't know what to say.

Religion is the sigh of the oppressed creature, the heart of a heartless world, and the soul of soulless conditions. read more

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.

Suppose we've chosen the wrong god

Suppose we've chosen the wrong god

Religion is something left over from the infancy of our intelligence, it will fade away as we adopt reason and read more

Religion is something left over from the infancy of our intelligence, it will fade away as we adopt reason and science as our guidelines.

Religion is the opium of the masses.

Religion is the opium of the masses.