A breakthrough in machine learning would be worth ten Microsofts.

There is no doubt that as an economy grows in a great way like India has, that you have to step back and change your tax systems, because you start to get more disparities of wealth.

For Africa to move forward, you've really got to get rid of malaria.

My experience of malaria was just taking anti-malarials, which give you strange dreams, because I don't want to get malaria.

I don't think there is any philosophy that suggests having polio is a good thing.

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

Capitalism has worked very well. Anyone who wants to move to North Korea is welcome.