"I think it's important to be very persistent. You have to keep going, even when things are tough."

"I think it's possible for ordinary people to choose to be extraordinary."

"I think that the future is going to be very different from the past, and I'm very excited about it."

"I believe that the internet is the most powerful tool for human liberation that has ever been invented."

"I'm a big believer in looking at things from first principles."