The world has been very careful to pick very few diseases for eradication, because it is very tough.

I have an excellent memory, a most excellent memory.

I think when smallpox was eliminated, the whole world got pretty excited about that because it’s just such a dramatic success.

The world at large is less inequitable today than at any time in history. Number of people in abject poverty, as a percentage, is at all-time low.

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 is a certain responsibility that accrued to me when I got to this unexpected position.

It's a nice reader, but there's nothing on the iPad I look at and say, 'Oh, I wish Microsoft had done it.'