God or No God - that is the question (for atheists)

As I understand it, (correct me if I'm wrong), most scientists are agreed that time and space began at the BB and that time and space will end at some point. (Maybe the Big Rip.)Is it not just as much of an oxymoron to say "after the Big Rip" when time has ceased.It seems to me that if the universe and time with it had a beginning it has to have an end. If the universe has both a beginning and an end it seems to me that something external to the universe is requires. That something external could, and very likely would be, "cause".

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Everybody is entitled to my opinion.

Theism: the lack of belief in something from nothing