The bartender says, "hey, want to hear a joke?
Okay, so M.C. Escher walks into a bar.
The bartender says, "hey, want to hear a joke?
Okay, so M.C. Escher walks into a bar.
The bartender says, "hey, want to hear a joke?
Okay, so M.C. Escher walks into a bar.
The bartender says, "hey, want to hear a joke?
Okay, so M.C. Escher walks into a bar.
The bartender says, "hey, want to hear a joke?
Okay, so...

and
Two guys walk into a bar. One orders 10 beers, the other decides to out-do his friend and orders 100 beers. The bartender looks at him startled and says: "Wow, that's an order of magnitude"

and
I got expelled from college for cheating during my metaphysics final. I got caught looking into the soul of the guy next to me.

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