Atheism versus Theism

Alright, I want a good, clean fight.  Simply state your side, your argument/counter-argument/comment and whatnot.  I'm not trying to troll this, just wanting a good debate, so let's have one. (Atheist by the way)

There is no way to know that god exists unless he presents himself in some way. The very idea of god places him outside the realm of science, making it impossible to disprove his existence. We can't know for sure. Stop trying, and just focus on making the world a better, happier place with less war, violence, and suffering. And more vidjagames.