Long ago, a rich man was wandering in a park of Kunming. It had been a long time for him not to go out for a breath of the fresh air. His life was just on a nonstop running wheel. He felt tired and frustrated. Then, he saw a poor ragged beggar lying on the lawn pleasantly. He felt surprised and asked :" You have nothing at all. Why are you so happy?" Then came the answer:" Don't you see the sunshine and the flowers?"...