go out and buy Godel, Escher, Bach: Eternal Golden Braid. Right now!
It will make your life better.
It will make your life better.
http://books.google.com/books?id=aFcsnUEewLkC&dq=godel+e...
I had a buddy of mine in highschool who used to bring that book with him every time we took LSD. Of course, he's now got his Ph.D. in physics from Purdue.