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

"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."

"The only way to do really great things is to be a little bit unreasonable."

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

"Sergey and I designed Google to be the company that we wanted to work for."