Take agriculture, where we haven't done much, or sanitation; saying, "okay, we will be able to make a really huge effort there." It really energized the foundation and half of what we've gotten done in this last decade is because Warren [Buffett] trusted us.

One of the statistics that always amazes me is the approval of the Chinese government, not elected, is over 80 percent. The approval of the U.S. government, fully elected, is 19 percent. Well, we elected these people and they didn't elect those people. Isn't it supposed to be different? Aren't we supposed to like the people that we elected?

We need to look at less obvious paths, things like the wind in the jet stream, which is very high up. The material science of what type of kite string you would need to connect up to that. That's still at the basic research level.

If you get health, then you have opportunity for literacy. Health first, then literacy. Once you have literacy, then you have a chance to bring in the new tools of communication. Let people reach out and have access to the latest advances.

It is my belief that industry and government around the world should work even more closely to protect the privacy and security of Internet users, and promote the exchange of ideas, while respecting legitimate government considerations.

The Gates Foundation has learned that two questions can predict how much kids learn: 'Does your teacher use class time well?' and, 'When you're confused, does your teacher help you get straightened out?'

Like any well designed software product, Windows is designed, developed and tested as an integrated whole.