We have completely eradicated smallpox; we have almost eradicated polio. That's the miracle of vaccines, which is even greater than that of antibiotics.

People should just buy a CD and rip it. You are legal then.

If I only had two dollars left I would spend one dollar on PR.

The belief that the world is getting worse, that we can't solve extreme poverty and disease, isn't just mistaken. It is harmful.

It's pretty amazing to go from a world where computers were unheard of and very complex to where they're a tool of everyday life.

Every day were saying, 'How can we keep this customer happy?' How can we get ahead in innovation by doing this, because if we don't, somebody else will.

The power of capitalism to mediate the gap between rich and poor is pretty incredible. Indeed, I think, year by year, the gap gets less.