"I think it's important to be stubborn on vision, but flexible on details."

"I believe that in the long term, all companies will be technology companies."

"I think one of the things that's really important is to be very clear about what you're trying to do."

"If you double the number of experiments you do per year, you're going to double your inventiveness."

"I think it's important to be very focused on what you're doing. Don't try to do too many things at once."