Einstein vs a Chinaman

Einstein & a Chinaman sitting next to each other on a long flight...

Einstein says:
"Let's play a game...
I will ask you a question,
if you don't know the answer, you pay me only $5 and if I don't know the answer, I will pay you $500 instead."

Einstein asks the first question:
"What's the distance from the Earth to the Moon?"

Chinaman doesn't say a word, reaches his pocket,
pulls out a $5 note and pays Einstein.

Now...
It's the Chinaman's turn.

He asks Einstein:
"What goes up a hill with 3 legs and comes down on 4 legs?"

Einstein searches the net and asks all his smart friends...After an hour he pays the Chinaman $500.

Einstein going nuts and asks the Chinaman:

"Well...so what goes up a hill with three legs and comes down with four?"

Chinaman reaches his pocket again and gives Einstein $5!

Einstein fainted.....!!!!!

Moral:
You may be Einstein...
But where money is concerned never underestimate a Chinaman.