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.

The quality of research in the U.S. is absolutely the best.

Anything you do, you better enjoy it for its value. Because people are going to second-guess everything you do.

What destroys more self-confidence than any other educational thing in America is being assigned to some remedial math when you get into some college, and then it's not taught very well and you end up with this sense of, 'Hey, I can't really figure those things out.'

If you count E-mail, I'm on the Internet all day, every day.

Most people overestimate what they can do in one year and underestimate what they can do in ten years.

The world needs banking but it does not need banks.