Leo Tolstoy once wrote a story about a successful peasant farmer who was not satisfied with his lot. He wanted more of everything. One day he received a novel offer. For 1000 rubles, he could buy all the land he could walk around in a day. The only catch in the deal was that he had to be back at his starting point by sundown. Early the next morning he started out walking at a fast pace. By midday he was very tired, but he kept going, covering more and more ground. Well into the afternoon he realized that …