The Difference Between Moral Values and Moral Duties

If god does not exist, why think that we have any moral obligations to do anything? Who or what imposes these moral obligations upon us? Where do they come from? It's very hard to see why they woild be anything more than subjective impressions arising and engrained into us by society and parental conditioning. If life ends at the grave, it ultimately makes no difference whether you lived as a stalin or as a mother teresa. When man has no faith in the reward of good or the punishment of evil, there is no reason to be human. There is not from the depths of evil, which is in man. The communist torturers often said,. there is no god, no