They're after one world religion and one world government. That's why they've attacked the Catholic Church so strongly, to ultimately take control over it by their doctrine.
“I took religion much too seriously, however, and its overall effect was depressing. I would have really liked to discard it, but somehow I couldn't.”
“If you spend all day on horseback, and you hop off, you walk around like you still have a horse between your legs. And it affects your shoulders. They fall.”