People who bring transformative change have courage, know how to re-frame the problem and have a sense of urgency.

If people disobey, don't ask what is wrong with them, ask what's wrong with their leaders.

Sometimes constraints actually create success. Not being able to swim made me run. And running taught me the discipline I needed as a writer.

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.

So, it's a very, you know - maybe we're wrong in - you know, we go around thinking the innovator is the person who's first to kind of conceive of something. And maybe the innovation process continues down the line to the second and the third and the fourth entrant into a field.

Insight is not a lightbulb that goes off inside our heads. It is a flickering candle that can easily be snuffed out.

Nobody accomplishes success by themselves.