Quote Originally Posted by jockeys View Post
Why can't matter have always existed? Why does there have to be a beginning? I never really understood the necessity of these things.

For some interesting insight into the Big Bang and what might have caused it, check out:
Big Bounce - Wikipedia, the free encyclopedia
I don't see any reason why reality can't have existed previously for an infinitely long time, and behave cyclically.
That does not negate the primary mover. God is who is.