When Joe left university, he got a good work in a bike factory. But after he had been worked there for some years, he decided to have change, so he put a notice in several newspapers, saying what experiences he had and the kind of job he would like to have. One of the answers he accepted was from a man was looking for a job, too. This man wrote to him, “Dear, sir, when you get a new job, be kind enough to give your name and address to your present boss as I have been trying to find a position like yours for a long time.” After he reads the letter, he suddenly realized that what he had done was real foolish.