Ten to 20 years out, driving your car will be viewed as equivalently immoral as smoking cigarettes around other people is today.

If you're unhappy, you should change what you're doing.

One of the advantages of moving quickly is if you do something wrong you can change it. What technologies tend to do is they tend to make a lot of mistakes... but then we go back and aggressively attack those mistakes - and fix them. And you usually recover pretty quickly.

And once you get instantaneous communication with everybody, you have economic activity that's far more advanced, far more liquid, far more distributed than ever before.

Google is working on self-driving cars, and they seem to work. People are so bad at driving cars that computers don't have to be that good to be much better.