The obvious mathematical breakthrough would be development of an easy way to factor large prime numbers.

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.'

The misconception that aid falls straight into the hands of dictators largely stems from the Cold War era.

Setting clear goals and finding measures that will mark progress toward them can improve the human condition.

We believe the world changes when the boldest thinking is directed at the toughest problems

Contraception really shouldn't be all that controversial because it's a tool a woman can use to delay her first birth until she's, say, 18 or 19 years old.

I meet people overseas that know five languages - that the only language I'm comfortable in is English.