Special Gifts, Devices, and Techniques : Page 143
It is, perhaps, distressing that God should have so constructed human beings physically that their elimination and sexual functions are as they are, and so psychologically that they
are perpetually preoccupied with them. He may have wanted to make this one of the special moral hurdles man had to overcome to reach heaven. He set man's stream of consciousness in a bed half of purifying sand, half of degrading mud and rocks, and in the end man goes to heaven or hell according to whether he has kept the stream more upon the sand or more upon the mud. Usually the mud seems to be winning. Most foul language is probably not gravely wrong. Yet it is difficult to imagine a band of foulmouthed fellows singing the praises of God in heaven. It is hard to imagine God wanting to be surrounded by the likes of them. But it is certain that foul language and dirty jokes are totally unacceptable in good conversation.