"Ten thousand hours is equivalent to roughly three hours a day, or 20 hours a week, of practice over 10 years... No one has yet found a case in which true world-class expertise was accomplished in less time. It seems that it takes the brain this long to assimilate all that it needs to know to achieve true mastery."

Source : "Malcolm Gladwell on Joy, Gates and the Beatles and on stage" by Jack Schofield, www.theguardian.com. November 16, 2008.

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