Chuck Norris can count the number of corners in a circle.

The teacher asked little Johnny, “What’s two and two?”. He counted 1-2-3-4 on his fingers and said, “Four, teacher?”. She said, ” Yes, that’s right, but you counted on your fingers. Put your hands behind behind your back and tell me what’s three and three”. He put his hands behind his back, fumbled around, and answered, “Six, teacher?”. She said, “Yes, that’s right, but you’re still counting on your fingers. Put your hands in your pockets and tell me what’s five and five”. He put his hands in his pockets, fumbled around, and replied, “Eleven, teacher?”.

The square root of Pain is Chuck Norris.

So Descartes goes into a bar late one night for a beer. At closing time, the bartender makes Last Call and asks him, "Get you another?" Descartes replies, "I think not." And disappears.

Three statisticians go out hunting together. After a while they spot a solitary rabbit. The first statistician takes aim and overshoots. The second aims and undershoots. The third shouts out "We got him!"