In his book The Great Divorce, C. S. Lewis, the great Christian apologist, draws a stark picture of hell. Hell is like a great, vast city, Lewis says, a city inhabited only at its outer edges, with rows and rows of empty houses in the middle. These houses in the middle are empty because everyone who once lived there has quarreled with the neighbors and moved. Then, they quarreled with the new neighbors and moved again, leaving the streets and the houses of their old neighborhoods empty and barren.

Tha…