A rich man had only one son. The man loved his son very much. He sent his son to the best school in his city. But the son fell into the bad company at school. He developed many bad habits.
The man was much worried about his son. He tried his best to mend his habits but he did not succeed. One day he thought of a plan to teach his son a lesson.
He went to the market and bought some fresh apples and a rotten(腐烂) one. He came back home and asked his son to put all the apples along with the rotten I one in a box.
The son did the same. After some days the father asked his son to bring the apples. As he opened the box he was surprised to notice that all the apples had become rotten. He felt very sad.
Looking at this, his father told him to see how one rotten apple had spoiled all the rest. In the same way one bad companion (同伴) could spoil all the others. The father's advice had the expected effect. The boy gave up the bad companion and became good again.
