In a New York street, a small truck hit a big tree. The truck was full of glasses and they were all broken now. The driver came out of the truck and looked at the broken glasses. He was very sad and people in the street felt sorry for him. Then an old man walked over to the driver. He looked at him for a few minutes and said, "My poor boy, I think you must pay a lot for it." "Yes," was the sad answer. "Well, well," said the old man, "hold out your hat-- here's some money for you, and I can say that some of these people will give you a helping hand, too." With these words, he walked away. The driver held out his hat and over a hundred people came and put their money in it. At last the  driver took  a bag and put all the money in it. Then he looked at the people and said, "Well, thank you very much. But you didn't know that the old man is the owner of the truck. I'm driving and making money for him." From the passage, we know that  _  .
The old gave the young man a hat. The old man was the driver's father. The driver became rich. The driver had to give the money to the old man.