"I believe in the wisdom of crowds, and I believe in the wisdom of two pizza teams."

"What's dangerous is not to evolve."

"I want to make sure that we are always the most customer-centric company in the world."

"I think that the future is going to be very exciting, and I'm very optimistic about it."

"You can have a good idea, but if you don't execute it well, it's not going to go anywhere."