Once upon a time, there was a man who was full of sadness and was not happy at all. He feels that there is nothing happy in the world. One day, the man found Socrates, a famous professor at that time, and asked him to give him some advice. Socrates said nothing, but told the man to chop wood and build a ship. The man had to put the problem behind him and concentrate on shipbuilding. Three days later, the ship was finally built. The man found the professor again, and the professor got on the boat with him and had a good time. "I'm so happy!" "The man shouted. Socrates said meaningfully: "Happiness is like this. When you concentrate on one thing and see the result, happiness will follow! " ""

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