I really do think cancer will largely be a solved problem. I think most of the infectious diseases like malaria - our foundation is very involved - once we're finishing polio eradication, then starting up this malaria eradication, and getting that done as fast as we can.

This is a very exciting time in the world of information. It`s not just that the personal computer has come along as a great tool. The whole pace of business is moving faster. Globalization is forcing companies to do things in new ways.

We're only at the beginning of what we have to do here.

Cutting through complexity to find a solution runs through four predictable stages: determine a goal, find the highest-leverage approach, discover the ideal technology for that approach, and in the meantime, make the smartest application of the technology that you already have - whether it's something sophisticated, like a drug, or something simpler, like a bednet.

The present and future of knowledge attainment and essential business skills.

I was lucky to be in the right place at the right time. But many others were also in the same place. The difference was that I took action.

Drones overall will be more impactful than I think people recognize in positive ways to help society.