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Meanwhile Wittgenstein couldn't even deny himself a cup of coffee, and look what he accomplished.

That sounds amusing, do you have a link to something to read about this? (my perusal of Wikipedia was not effective)

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