To become a chess grandmaster also seems to take about ten years. (Only the legendary Bobby Fisher got to that elite level in less than that amount of time: it took him nine years.) And what's ten years? Well, it's roughly how long it takes to put in ten thousand hours of hard practice. Ten thousand hours is the magic number of greatness.
Malcolm GladwellAll artists have to do that at a certain point. This shift that has to happen between the initial moment of creation and then the consideration of what has been created.
Malcolm GladwellA prediction, in a field where prediction is not possible, is no more than a prejudice.
Malcolm Gladwell