>>>>>>"I think, therefore I am" said {insert your favorite stupid ethnic group} and vanished.
>>>>>
>>>>>The variant I've heard is:
>>>>>
>>>>>Descartes walked into a bar. The bartender asked is he wanted something to drink. Descartes replied "I think not" and ceased to exist.
>>>>>
>>>>
>>>>Was Descartes in the bar before or after the horse?
>>>
>>>Probably after. Wouldn't be a good idea to have Descartes before the horse.
>>
>>Um, I think that pun was already understood :-)
>
>Actually, I think the horse in question didn't have to do anything with the cart (it's a bar, not a grocery!). He just came in, and the bartender asked "why the long face, pal?"

And when the barman said, "We don't get many horse in here," the horse replied, "I'm not surprised the - prices you charge, and me with no wallet"