A young boy enters a barber shop and the barber whispers to his
    Customer,
    "This is the dumbest kid in the world. Watch while I prove it to
you."

    The barber puts a five dollar coin in one hand and two one dollar
coins
    in the other, then calls the boy over and asks,
    "Which do you want, son?"

    The boy takes the two one dollar coins and leaves.
    "What did I tell you?" said the barber. "That kid never learns!"

    Later, when the customer leaves, he sees the same young boy coming
out
    of
    the ice cream store. "Hey, son! May I ask you a question?
    Why did you take two one dollar coins instead of five dollar coin?"

    The boy licked his cone and replied,
    "Because THE DAY I TAKE THE FIVE DOLLAR COIN, THE GAME IS OVER
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    Moral: When you think the other person is dumb, you are making a
fool
    of yourself.