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.

We're all responsible for creating a polio-free world while we still can.

In inner-city, low-income communities of color, there's such a high correlation in terms of educational quality and success.

My experience of malaria was just taking anti-malarials, which give you strange dreams, because I don't want to get malaria.

Take our 20 best people away, and I will tell you that Microsoft will become an unimportant company

Creativity allows people to be effective.

I like to read general biology - things about the immune system and advances in that area - because it lays the foundation for my part of the dialogue at the foundation about what things we ought to pursue.