I understand how every healthy child, every new road, puts a country on a better path, but instability and war will arise from time to time, and I'm not an expert on how you get out of those things.

The nuclear industry has this amazing record, even equipment from generations one and two. But nuclear mishaps tend to come in these big events - Chernobyl, Three Mile Island, and now Fukushima - so it's more visible.

I believe that the world will be a safer place if there is enough food to go around, that it will be a more stable place if children grow up with opportunities instead of frustrations. Furthermore, I can only assume that if the United States plays a role in helping to create prosperous societies, we will have friends to call on in times of need.

Improving the health & productivity of the poorest is one of the best investments you can make in the future of the world

We have over 60 million machines that can take the same diskette, plug it in and immediately ah, that that software's working. And so it's created the worldwide software industry that... that is so very competitive and moving so quickly.

Energy is actually harder; it takes more time to get a product, but if you do it's a very, very big market and the constraints of doing that in a clean way are more obvious all the time.

Software innovation, like almost every other kind of innovation, requires the ability to collaborate and share ideas with other people, and to sit down and talk with customers and get their feedback and understand their needs.