We make the future sustainable when we invest in the poor, not when we insist on their suffering.

I think Ebola is a great example of where the world really needs to come together. The three countries where this outbreak took place have had a lot of civil war, very weak health systems. And so, it did take a while for people to understand ....that eventually what we saw was a very unique Ebola epidemic. I think it is quite impressive what's being pulled together, and I think we will be able to get this under control.

You don't go to other books and take little pieces because although say a romantic scene may have been many times before all the details of who it is, where it is, are so intertwined in that text that it's easier to write it from scratch.

Well, jobs are a great thing. You have to be a bit careful: If you raise the minimum wage, you’re encouraging labor substitution and you’re going to go buy machines and automate things - or cause jobs to appear outside of that jurisdiction. And so within certain limits, you know, it does cause job destruction. If you really start pushing it, then you’re just making a huge trade-off.

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.

I never took a day off in my twenties. Not one. And I'm still fanatical, but now I'm a little less fanatical.

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