Lots of new religions have sprung up in the past 150 years from Spiritualism, Christian Science, Jehovah's Wtnesses, Scientology, and so on. Even we Pastafarians are new. So it's your turn to start one. What angle could you pursue that would make it different?
If you wanted to start a new religion what would be the basic belief system?
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Mine wouldn't exactly be a new religion, "what! yet another one!? Haven't we got too many already?"
So mine would be a religious movement that would urge the followers of all religions to engage in finding out, and openly and frankly questioning and learning, about other religions. The aim being to identify and grow what is common between the religions, and what is common with reason and what is common with the increasing number of verified facts unveiled by science.
That would be my religious movement’s contribution to reducing conflict in the world.