What I understand about this concept of why is that it functions exactly the same way as parenting or exercise or any of these things we claim to invest in.

The passion to change the world for the better is a more powerful force than defense to keep it the same.

Innovation is not born from the dream, innovation is born from the struggle

Most years, if you were to ask me how much I make, the genuine answer is that I have no clue. I usually find out the answer to that question once a year, at tax time, when my accountant tells me.

I'm a messenger. I'm one piece of a giant jigsaw puzzle.

Too many people write books because they want to be a New York Times best-seller. They want the glory and the fame.

Leadership is a choice. It's not a rank, it's a choice. I know many people who are at the top of their organization who have authority. We have to do what they say because they have authority over us. But they're not leaders. We wouldn't follow them. They may be at the top of the company but they're not leaders.