"As for God, you'll have a chance to tell Him all about it. "

When Bertrand Russell was asked what he'll say to God on judgement day about why he failed to believe, he said "You didn't give us enough evidence, God."

Quite simple, as long as God allows the state of affairs to be such that reasonable minds can disagree about his existence, he has no reason to be upset with those who doubt.

Christians who think God will be punishing unbelief harbor a very peculiar notion of God's sense of justice, namely that he doesn't have one.