Going deep here, just open your minds...
God has to exist. The proof of this:
Image what God would be, if he existed. Now, to most people, and a dictionary definition is that God is a 'perfect' being, the essence of perfect. No was yourself "What is more perfect, a God that exists, or one that doesn't?". Therefore a God that exists is more perfect than one that doesn't. A perfect God must exist. Of course, this doesn't prove He's a Christian, Muslim, Hindu or Buddhist God, but it at least one perfect God is there. Somewhere.
Of course, this also proves the existence of a perfect computer, or coffee table, because they would each be more perfect if they existed. So all these 'perfect' things, are out in the universe somewhere.
That's called the 'Ontological Argument' to the existence of God. There's more here:
Enjoy this - It's long.
Or it's all summed up in a video, here:
This contains some mild profanity - Enjoy this as well!
:)