AIDS we're - most of these diseases - we are down from the peak. We're down about 40 per cent from the peak and if we got the right vaccines, which are at the early stage of discovering, then the numbers would come down very dramatically. So that's why we talk about it as an emergency.

A bad strategy will fail no matter how good your information is. And lame execution will stymie a good strategy. If you do enough things poorly, you'll go out of business.

There are a variety of techniques for breaking software down into pieces and making software development more efficient. Many of these techniques have been sort of... and everybody got excited about but very little benefit was actually derived once the thing was put into practice.

You know capitalism is this wonderful thing that motivates people, it causes wonderful inventions to be done. But in this area of diseases of the world at large, it's really let us down.

here are economies like China's economy where it's less than a tenth [of a percent] today, although it is growing, is quite small, because of the notion that the government takes care of everything, and Europe and China, philanthropy has not been nearly of the same scale.

Now you have to be a collaborator and you have to bring on governments and convince people.

I am surprised that in various countries, whether it's the U.K. or the U.S., you see isolationist tendencies that would tend to work against the co-operation, whether it's climate change, immigration, innovation, helping the very poorest. Those are things where you want to think across country boundaries and see a win-win-type solution.