Shamelessly ripped from an internal newsgroup (thanks to AY):
A Buddhist went up to the hotdog seller and said: "Make me one with everything". Anyway, he got his hotdog and after not receiving his change, he asked for it. "My friend," replied the vendor, "the change must come from within".
And if you don't like that...
And pulled from the comments:


Comments
Well if that makes you giggle, how about
http://economistsview.typepad.com/economistsview/2008/12/frequentists-vs.html
"... I wish I understood better some of the foundational questions mentioned below. In the limit of infinite data will two Bayesians always agree, regardless of priors? Are exceptions contrived?..."
Posted by: Hank Roberts | December 2, 2008 6:20 PM
My favorite: Change is inevitable, except from vending machines.
Posted by: chezjake | December 2, 2008 11:09 PM
Or this one, given William's academic credentials:
http://www.superpoop.com/120108/divisible-by-zero.jpg
Posted by: Raymond Arritt | December 2, 2008 11:46 PM
I always like my variation of the old koan: Does a cow have Buddha-nature? Mu
hee hee (ok, so you pronounce it "mooo")
How about this: Top 15 unintentionally funny comic panels: http://www.yesbutnobutyes.com/archives/2007/03/top_15_unintent.html
(you may have already seen this - I forget where I found it)
Posted by: Badger3k | December 3, 2008 3:06 AM
What did the fish say when it swam into a wall?
Dam.
Posted by: Munin | December 3, 2008 3:11 AM