Merrick!!!
says
René Descartes walks into a bar ... bartender say: "Hey buddy, you want a beer?"
Descartes says: "Noooo, I don't think s....."
& promptly disappears.
wow 
... deep 
... deep It says something about my social circles that i've heard that joke before
sounds like you & I would get along famously in RL, FordPotez