It's the knowledge derived from information that gives you a competitive edge.

The world has been very careful to pick very few diseases for eradication, because it is very tough.

The software is where the magic is. If you're going to have all this power be simple enough, appealing enough and cool enough, it's going to be because the software is right.

Getting the word out that, yes vaccines are great, the safety data's very, very clear, including any of these specific concerns, that's very important to our foundation.

People everywhere love Windows.

I was lucky to be in the right place at the right time. But many others were also in the same place. The difference was that I took action.

As I see it, there are two great forces of human nature: self-interest, and caring for others. Capitalism harnesses self-interest in a helpful and sustainable way, but only on behalf of those who can pay. Government aid and philanthropy channel our caring for those who can't pay. But to provide rapid improvement for the poor we need a system that draws in innovators and businesses in a far better way than we do today.