God and the Devil are ideas that work like training wheels on our understanding, by allowing us to reduce vague abstractions to personifications. Like Santa Clause who lives in the North Pole and the Bogey Man who hides under our bed or in our closet, we characterize our abstract hopes and fears about life and death, and good and evil, in terms that very much look like exaggerated personifications of ourselves. And in the same way religion convinces us we must subscribe to its stories to have any hope or find any meaning in life, so it has convinced us that we must believe these personifications are actual "beings," so that we will continually run to it for every problem under the sun. We rely on such personifications because it's a hell of a lot easier for us to think of a friend or an enemy named Dick or Jane, than it is to think about disembodied abstractions about everything we hope and fear. By personifying such abstract ideas into humanistic form, we "anthro...