When you think about Uber and Airbnb and the other companies that are turning things upside down, Uber isn't big 'cause they ran a lot of ads. They're big because someone took out their iPhone and said to their friend, watch this, and pressed a button and a car pulled up.

Before you tell yourself you have no right to invent this or improve that, remind yourself that the person before you had no right either, but did it anyway.

I don't like offending people, and it's easy to offend people when you don't know as much as they do. This group knows more about what it takes to lead in this way than I ever will. My goal is to push people, but I need to do it from a place of respect.

Winners quit all the time. They just quit the right stuff at the right time.

Writing a book is a tremendous experience. It pays off intellectually. It clarifies your thinking. It builds credibility. It is a living engine of marketing and idea spreading, working every day to deliver your message with authority. You should write one.

You're competing against people in a state of flow, people who are truly committed, people who care deeply about the outcome.

Saying no to loud people gives you the resources to say yes to important opportunities.