I don't see proof for a God anywhere. If there is one, he clearly has chosen to be completely absent from human affairs. That being said, I cannot get around and affirmatively say that there is no God either.
Honestly, I am trying to do my best to be a good person so that when I die, people will think of me as a good man. If I can achieve that, I will be satisfied. If I than wake up, standing before God for him to pass judgement up me, than I will stand up tall and say: I did my best.
In the end, weather he is there or not, I have chosen to do my best to be a good person.