Only Two Choices: Good or Evil          C. S. Lewis (1898-1963), an Anglican Christian, wrote many allegories as a marvelous and entertaining story teller. Our last article discussed his book, The Last Battle  as an allegory on the end of the world, and which gave us lessons about waking up to discover that we had held mistaken, untrue beliefs for quite a while.       Lewis also wrote an imaginative allegory about Heaven and Hell called, The Great Divorce . In this story, a group of people in Hell take a bus ride to Heaven, complaining all the way. They so disliked the place that they all re-board the bus to go back to Hell, which they greatly prefer. The entertaining story underscores that we each do have free will to choose, and it portrays the truth that our perceptions and our thinking are affected by our basic orientation toward either the good or evil.       Some people try to avoid this reality: t...