Several years ago, a friend of mine and her husband were invited to spend the weekend at the husband's employer's home. My friend, Arlene, was nervous about the weekend. The boss was very wealthy, with a fine home on the waterway, and cars costing more than her house. The first day and evening went well, and Arlene was delighted to have this rare glimpse into how the very wealthy live. The husband's employer was quite generous as a host, and took them to the finest restaurants. Arlene knew she would never have the opportunity to indulge in this kind of extravagance again, so was enjoying herself immensely. As the three of them were about to enter an exclusive restaurant that evening, the boss was walking slightly ahead of Arlene and her husband. He stopped suddenly, looking down on the pavement for a long, silent moment. Arlene wondered if she was supposed to pass him. There was nothing on the ground except a single darkened penny that someone had dropped, and a few ci...