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

Leave America and you'll find that the consumers in many other countries enjoy watching advertising. Not because the products are better, but because the ads are produced to be entertaining. Sometimes they are funny. Sometimes they are dramatic. Sometimes they are just beautiful.

I can't stand those people, speakers in a room, they say this all the time, "If I can just help one person in this room, I've done my job." You have an audience of 500 people and your standard of success is one person? That's terrible. If you help one person in the room, you're an abject failure. You have to change something.

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

Happy employees ensure happy customers. And happy customers ensure happy shareholders—in that order.

I have been inspired by Martin Luther King and how he inspired a movement. I have learned that a cause must be organic; if it is to have an impact it must belong to those who join the movement and not those who lead it.

Great leaders must have two things: a vision of the world that does not yet exist and the ability to communicate that vision clearly.