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.

Anyone who spends their life on a computer is pretty unusual.

Expectations are a form of first-class truth: If people believe it, it's true.

Getting ready for a global pandemic is every bit as important as nuclear deterrence and avoiding a climate catastrophe.

Teaching's hard! You need different skills: positive reinforcement, keeping students from getting bored, commanding their attention in a certain way.

Success today requires the agility and drive to constantly rethink, reinvigorate, react, and reinvent.

I believe in generous aid policies.