Nobody ever learns how strong temptation can be until they have overcome it. Jack overcame many of the temptations that beset us every day, and having done so he gained a great understanding of the nature of temptation and also of people and their behavior. The private Jack was the man who fought against anger, impatience, intolerance, and all the other daily temptations, and mostly defeated them. The public Jack was the man who then went to the trouble of writing down all that he had learned from