What is the idea behind the church of Satan?

The Church of Satan is a religious organization started by Anton LaVey in 1966 in direct response to the hippy movements going on at the time and based off his personal experiences. The central tenant is that Satan is an incredibly powerful idea, and that it can be used to liberate the individual. For more information, go to the Church of Satan's website or, better yet, pick up a copy of the Satanic Bible by LaVey.