I think any statement about stock prices is always suspect unless it's made by Warren Buffett.

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.

There's no such thing as going to a soapbox and saying, 'The government's corrupt,' and not having the intelligence service see your face. In the digital world, that can be done.

But the improvements will happen faster and last longer if we can channel market forces, including innovation that's tailored to the needs of the poorest, to complement what governments and nonprofits do. We need a system that draws in innovators and businesses in a far better way than we do today.

If GM had kept up with technology like the computer industry has, we would all be driving $25 cars that got 1,000 MPG.

There is this thing called the GPL (Gnu Public Licence), which we disagree with... nobody can ever improve the software.

Getting ready for a global pandemic is every bit as important as nuclear deterrence and avoiding a climate catastrophe.