There was once a young man standing on a sea-shore, waiting with rapt anticipation for the coming of a messenger from a distant country. When the messenger finally arrived, the young man got right to the point. “I was told that you have something of great value to show me.” The messenger opened a badly scarred red box and displayed an exquisite pearl, unlike anything the man had ever seen. “It is indeed magnificent,” said the young man. “What is…..