Therefore God does exist. Something exists and this something must have a first cause or some sort of explanation. Cosmological arguments deal with the existence of the universe. We comprehend something about God by looking at the world. First Way - An argument from motion.
Motion implies first mover.
Everything that moves must be moved by something or someone. Must be an unmoved mover. This is God. Second Way - The argument of Cause and Effect. Everything that is caused is caused by something else.