Its interesting to note that a lot of scientists are religious (which is a surprise to many people), if you go back to the so called big bang most people agree that this event happened, astronomers have radio telescopes which show this vividly, the Astronomer Royal often does lectrues on this with great photos..... However what caused it - this is where science and religion converge and neither can prove it one way or another - if God caused the big bang or it was a purely scientific event horizon - If you call this God, then he exists !! As for him controlling human behaviour, sadly the species acts for the most part like all other species who exist to re-produce and become the dominant species by natural selection, which in a lot of cases results in mass killings in the name of religion. By far the most successful species are the insects...... maybe God planned it that way !