Our work in global health is about things like cutting childhood deaths, and every year we continue to make progress there.

We were young, but we had good advice and good ideas and lots of enthusiasm.

The genius of capitalism lies in its ability to make self-interest serve the wider interest. The potential of a big financial return for innovation unleashes a broad set of talented people in pursuit of many different discoveries. This system, driven by self-interest, is responsible for the incredible innovations that have improved so many lives.

In my parents I saw a model where they were really always communicating, doing things together. They were really kind of a team. I wanted some of that magic myself.

[Smart] is an elusive concept. There's a certain sharpness, an ability to absorb new facts. To ask an insightful question. To relate to domains that may not seem connected at first. A certain creativity that allows people to be effective.

The U.S. immigration laws are bad - really, really bad. I'd say treatment of immigrants is one of the greatest injustices done in our government's name.

The malaria parasite has been killing children and sapping the strength of whole populations for tens of thousands of years. It is impossible to calculate the harm malaria has done to the world.