We have to find a way to make the aspects of capitalism that serve wealthier people serve poorer people as well.

I'm serious when I do my work. I'm not serious when I'm home with my kids.

In the U.S., we believe the best way to improve lives is to improve public education.

50 years from now we won't need as much human labour to do what manual workers do, so we should be able to take that extra productivity and put it to better use.

Software is inherently complicated. If you say to somebody I want an airline reservation system, to really say what you want in terms of overbooking and fares, and different airlines communicating with each or schedule changes, it's immensely complex. And so you can't write a program that's any simpler than that full specification.

I definitely think leaving kids massive amounts of money is not a favor to them.

There were a lot of missteps in the early days, but because we got in early we got to make more mistakes than other people.