When a country has the skill and self-confidence to take action against its biggest problems, it makes outsiders eager to be a part of it.

Polio's pretty special because once you get an eradication, you no longer have to spend money on it; it's just there as a gift for the rest of time.

When you have the medical advances you think will they be available to everyone. Will they not just be for the rich world or even just the rich people and the rich world? Will they be for the world at large?

Well-spent aid money is saving lives for a few thousand dollars per life saved.

For all these infectious diseases, the goal is to eventually get rid of them. And to do that we need to invent new tools, but nobody was doing that because there was no money to buy on behalf of the poorest, even the existing tools.

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

Bioterrorism is like earthquakes, you should think in order of magnitudes. If you can kill 10 people that's a one, 100 people that's a two... Bioterrorism is the thing that can give you not just sixes, but sevens, eights and nines.