Jury of the United States

i am interested in jury. It's really special because it's civilians judging civilians. i think the judge represents the God to judge because he has the power the goverment gived him. But civilians usually don't have it. So, there are difference between a person and the God. But jury constituted by ordinary persons can judge other civilians. Of course it's because they represent a common sense and moral standard of all the people, and they are fair. But should a man have the power to judge another man? Shouldn't only the God have this power? Why can a man judge another man? Because he is guilty? How can a man say it guilty? i think only the God can. So, jury is special. It's a kind of HUMAN JUDGE, that is, man judge man, not the God judge man. i think we always want the God to punish all the guilty man. But it is impossible. So, man judge man. HUMAN JUDGE, not GOD JUDGE. Oh, i should claim it again, it's fair, of course.