"Every religion ... has rituals, practices, holy writings or traditions, etc. Nothing like that has ever developed from Atheism. There are no holy men, holidays or holy books and no agreed-upon canons of faith. In fact, the only thing you can get some Atheists to agree upon is that there is no god."

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Our normal expectations about reality are created by a social consensus. We are taught how to see and understand the world. The trick of socialization is to convince us that the descriptions we agree upon define the limits of the real world. What we call reality is only one way of seeing the world, a way that is supported by social consensus.

— Carlos Castaneda