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* An ordinary mistake is one that leads to a dead end, while a profound mistake is one that leads to progress. Anyone can make an ordinary mistake, but it takes a genius to make a profound mistake.

o The Lightness of Being – Mass, Ether and the Unification of Forces, Basic Books 2008, chapter 1, p. 12

— Frank Wilczek, American physicist and Nobel laureate (2004)

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2010.05.27 Thursday