Someone on this forum made the following comment a while back....
The history of religion in 5 steps.
1) My god is better than your god and he is going to kill you.
2) No, my god is better than your god and he is going to kill you first.
3) I can't wait for my god, so I will kill you myself.
4) Not if I kill you first.
5) Survivors.... go back to step 1.