I have two jokes:

Descartes is drinking in a bar.
The bartender asks him if he wants another drink. He replies "I think not" and vanishes.

Erin Schrödinger is sitting in a bar, having a drink.
The bartender asks him if he wants another drink. He replies "I wasn't sure until you asked me."

I had a great quote that I forgot to post yesterday, so here it is:
"God forbit that you would eat at McDonald's in Italy." -Mr. Puffer (The one who almost got himself arrested ( Read more... )