Without risks, there can't be breakthroughs.

We are not going to stop here on planet Earth. We're going to move out to other planetary bodies.

When cars have the sensory systems around them, GPS intelligence, they're looking at the world not only in visual spectrum, but infrared, ultraviolet and everything else that's going on and they've got reaction times in microseconds. Not a tenth of a second. They're a hundred thousand times faster.

A Masai warrior on a cellphone in the middle of Kenya has better mobile comm than President Reagan did 25 years ago.

Super-ambitious goals tend to be unifying and energizing to people; but only if they believe there's a chance of success.

Humans are the worst control system to put in front of a car.

The quality of your life is a function of who you go through life with.