Because there is a law such as gravity, the universe can and will create itself from nothing.

There is nothing bigger or older than the universe.

I want to know why the universe exists, why there is something greater than nothing.

Science predicts that many different kinds of universe will be spontaneously created out of nothing. It is a matter of chance which we are in.

All the evidence shows that God was actually quite a gambler, and the universe is a great casino, where dice are thrown, and roulette wheels spin on every occasion

In such a massive place as the cosmos we only have to look at ourselves for prove that extremely unlikely things can and do happen all the time