I totally disagree with anyone that thinks or says that there is NO proof of God's existence. It may not be the proof that one personally needs to accept the nature and existence of God, but proof there is and tons of it.
Newton, the mathematician that set the ground-work for the understanding of gravity and discovered the means with which we understand the nature of light waves, spent the rest of his life studying the Bible and in particular Revelation. He pointed out to us the undenyable fact that there HAD to be creation, therefore a creator. He explained that the EXACT nature of everything necessary to sustain life on this planet COULD NOT possibly be an accident or fluke of nature. Way too many variables to come together randomly for any man of intellect to postulate their possibility.
Now, this may not prove anything to one that insist upon denying simply for the sake of their own importance and vanity, but here is a very intellectual, (genius you might say), man of science that was led to only one conclusion from his understanding of this world.
Could anyone really believe that all we've dicovered we're simply random happenings with absolutely no influence by a Creator? Could there be anyone that doesn't understand that genetics and mathematics were NOT created by man, but discovered? And in the perfection of their functionality, could anyone TRULY believe that these things JUST HAPPENED? That life simply BEGAN by random chance. Funny, there are those that believe and teach this very thing, but with all our knowledge and wisdom concerning the very basic beginnings of life, we still can't create it. Funny how many believe that life was just an accidental event that they can describe in perfect detail, but five billion years later they still can't reproduce this accidental event.
And how is it that humans are the only ones capable of denying God? How is it that all the rest of life on this planet has no choice in denying or accepting God? Evolution? Come on, if this were true then why did no other creature evolve with anything close to the freedom of choice that man possesses? No way to record their histories? And if it's simply a matter of evolution, do any of those people believe that ANY other life form on this planet will eventually evolve to that point, (written lanuage)?
And how is it that long, long before man had any knowledge of the nature of molecular science that the Word of God told us that man was created from the elements that already existed upon this planet? This is obvious to us now, but how long did it take us to prove and realize this as fact? Yet Moses wrote this over five thousand years ago. Lucky guess I suppose.
There will always be those that insist upon denial for the simple sake of argument and rebelion. And as the Bible states, there will always be those that will chose to believe that they are more important to themselves than anything else. These are simply people that refuse to see the truth. It's not that existence of God can or cannot be proven, it's more a matter of acceptance of that proof. And there is certainly more proof that God DOES exist than there is that He doesn't. But, just like there were those that chose to believe in 'Big Foot', there will always be people that make up what they want to believe in regardless of the evidence.