Don't mess with Jews. We're smart.

A young hot lawyer sits next to an elderly Jew on a long distance flight. The lawyer thought this was another opportunity to make money so he nudged the Jewish passenger and asked if he wanted to play a game.
"No", said the Jew, " I just want to get some sleep".
"But it's an easy game", insisted the lawyer. "I ask you a question and if you don't know the answer you give me five dollars. Then you ask me a question and if I don't know the answer I give you five hundred dollars. It's fun!"
This catches the Jews attention and reluctantly agrees to play for a couple of questions.
The lawyer asks the first question. "What is the distance from Earth to the the Moon?"
The Jew doesn't say a word. He reaches into his pocket hands over a five dollar bill.
Now it's the Jews turn. He asks the young lawyer "What goes up a hill with three legs and comes down with four?"
The lawyer researches on his laptop. He emails his smart friends with no success. He gives up and wakes up his Jewish neighbor who is now dozing and hands over five hundred dollars.
The Jew pockets the money and goes back to sleep. The lawyer is going crazy so eventually he shakes his fellow passenger and asks "OK. What goes up a hill with three legs and comes down with four?"
The Jew shrugs, dips in his pocket, hands over five dollars to the lawyer, and goes back to sleep.
Don't mess with us Jews! We're smart!