Contrary to popular belief, I don't spend a whole lot of time following soccer. But as I have traveled around the world to better understand global development and health, I've learned that soccer is truly universal. No matter where I go, that's what kids are playing. That's what people are talking about.

There are websites that any government wants to block. The truth about the Internet is that it's extremely hard to block anything - extremely hard. You'll never get perfect blocking.

We've got to put a lot of money into changing behavior.

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

I can understand wanting to have a million dollars but once you get beyond that, I have to tell you, it's the same hamburger.

It’s been proven that of all the interventions to reduce poverty, improving agricultural productivity is the best.

The worst pandemic in modern history was the Spanish flu of 1918, which killed tens of millions of people. Today, with how interconnected the world is, it would spread faster.