The exchange student A wealthy Arab had a son who was an exchange student in America. Because of his father's wealth, the son would arrive to school every day in a luxurious Rolls-Royce. Soon after school started, the son sent a letter to his father. It said ""Dear father. I feel very ashamed; I arrive to school everyday in a Rolls-Royce. All my professors arrive by train!"" he soon got a letter back from his father, along with $20 million. His father's letter read ""Dear son, you are embarrassing me. Take this money and but yourself a train as well!""