http://www.paulgraham.com/philosophy.html http://www.paulgraham.com/philosophy.html for an intro of Wittgenstein; http://www.paulgraham.com/hs.html http://www.p

http://www.paulgraham.com/philosophy.html http://www.paulgraham.com/philosophy.html for an intro of Wittgenstein; http://www.paulgraham.com/hs.html http://www.paulgraham.com/hs.html for the claim that Wittgenstein couldn't deny himself a cup of coffee, and the implications toward self-discipline and effectiveness.