The two areas that are changing... are information technology and medical technology. Those are the things that the world will be very different 20 years from now than it is today.

I think that our progress on key diseases over the next several decades is going to be pretty amazing and so I am very interested in that.

If you think your teacher is tough, wait till you get a boss.

If Africa seeks prosperity, it must provide for the health and nutrition of all – including the poorest.

I want to make clear that we respect the role of government in our legal andeconomic system.

So we do software for watches, for phones, for TV sets, for cars. And some of these take a long time to catch on.

Every three years, we have to go to the governments and say, okay, you know you're saving millions of lives and even though your budgets are tight, helping Africa avoid this disaster really is a priority.