"I think it's very important to have a feedback loop, where you're constantly thinking about what you've done and how you could be doing it better."

"I worry that something has gone seriously wrong with the way we run companies."

"We want to build things that are important, that really matter to people."

"I think it is often easier to make progress on mega-ambitious dreams. I know that sounds completely nuts."

"We want to make sure that we're always innovating, always pushing the boundaries."