A Saudi Prince went to Germany to study.
A month later, he sends a letter to his dad saying: "Berlin is wonderful, people are nice and I really like it here, but I'm a bit ashamed to arrive to school with my gold Mercedes when all my teachers travel by train."
Sometime later he gets a letter from his dad with a ten million dollar cheque saying: "Stop embarrassing us, go and get yourself a brand new train too."
When I visited Saudi Arabia in the 80s, there were some expensive looking cars obviously abandoned. We joked that the owners walked away because the ashtrays were full