You look at things you enjoy in your life, but much more important is what you can do to make the world a better place.

What should exist? To me, that's the most exciting question imaginable. What do we need that we don't have? How can we realize our potential?

We've had some tough times, but we've hung in there.

I'm a very private person that prefers a low profile.

I grew up around books. When I first held the book and it was a substantive, tangible thing, and I thought of all the work that went into it, not just my work but everybody else's and the research and so forth, there's a sense of really have done something worthwhile.

As a species, we've always been discoverers and adventurers, and space and the deep ocean are some of the last frontiers.

Even before I helped to co-found Microsoft, I saw a connected future . . . I called that future The Wired World.