But that book is the only thing that keeps them from going on murderous rampages. Coming to think of it, it's not even very good at stopping the murderous rampages.
Israel - Palestine is two non-Christian abrahamic religions fighting each other currently. Then of course there's Catholics and Protestants, and all the different Muslim - Christian conflicts.
Tell ya what, I'll build a time machine, go back, find this Abraham guy, teach him English, get him caught up on the last 2 millennia, and have him straighten out all this shit.