Whenever you have a few setbacks, the idea that half as many children are dying now as back in 1990 and so... it was over 12 million a year, now it's less than 6 million a year. We have a clear path to get that under 3 million a year and we know what to do. And this generation of young Africans is a very large group.

I realized about 10 years ago that my wealth has to go back to society. A fortune, the size of which is hard to imagine, is best not passed on to one's children. It's not constructive for them.

Instead of buying airplanes and playing around like some of our competitors, we've rolled almost everything back to the company.

In programming when you're making a change you have to know all the affected places, and you have to be able to model in your head what the performance impact will be.

The only definition by which Americas best days are behind it is on a purely relative basis.

We'll have infinite bandwidth in a decade's time.

Microsoft went into orbit because it had a booster rocket attached to it called IBM.