How do you know you're not a brain in a vat?
How do you know you're not a brain in a vat? How do you know you don't cost $225.00?

http://www.wonderfullywacky.com/thinktank.htm
How do you know you're not a brain in a vat? How do you know you don't cost $225.00?

http://www.wonderfullywacky.com/thinktank.htm