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Umm, I won't argue you, I know very little about this and you might know more, but, as far as I know, talking about Satanism, Satan is some kind of energy that makes the world work, and as you said they appreciate a lot their bodies and such, but don't they still worship Satan? As thanks to him the world go on?
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It varies from Satanist to Satanist. For instance, I am an atheistic Satanist and do not believe in any deity or force that makes the world go round. I do not worship Satan nor myself, but if I were to worship anything it'd be me. However, a deistic Satanist might agree that Satan is a force somewhat similar to Hinduism's Brahman. It's important for me to clarify, though, that no Satanist - atheist, agnostic or deist - worships the devil in the same sense as a diabolist would (in order to summon evil, for instance), nor sacrifice to him.