If you are born poor its not your mistake, But if you die poor its your mistake.

People who feel the world is tilted against them will spawn the kind of hatred that is very dangerous for all of us. I think it's a healthy sign that there are demonstrators in the streets. They are raising the question of 'is the rich world giving back enough?'

Innovation is often the hidden thing, because we can't put numbers to it. And yet it's the thing that defines the way we live, the things we'd like to have for everyone whether it's health or education.

If somebody is considering being willing to go out and work in the field in global health, those are a particular class of heroes because it's hard to work in those places. Our foundation gets so many of our learnings from people who've been out there and seen, "this tool is not going to work there, there's more of a problem here than you know." You should really get involved in that.

Success is a lousy teacher. It makes you think you know what you're doing.

Now you have to be a collaborator and you have to bring on governments and convince people.

The world won't care about your self-esteem. The world will expect you to accomplish something BEFORE you feel good about yourself.