And that little difference leads to an opportunity that makes that difference a bit bigger, and that edge in turn leads to another opportunity, which makes the initially small difference bigger still—and on and on until the hockey player is a genuine outlier. But he didn’t start out an outlier. He started out just a little bit better.
Note: an example of how advantage "accumulates"
In fact, by the age of twenty, the elite performers had each totaled ten thousand hours of practice.
Note: K . Anders Ericsson's research on expert violinists
“The emerging picture from such studies is that ten thousand hours of practice is required to achieve the level of mastery associated with being a world-class expert—in anything,” writes the neurologist Daniel Levitin. “In study after study, of composers, basketball players, fiction writers, ice skaters, concert pianists, chess players, master criminals, and what have you, this number comes up again and again.
Note: 10,000 is the magic number.
Ten thousand hours is the magic number of greatness.
Note: 10,000 hours