There's 20 companies that I have investments in - some batteries, some solar-thermal, one big nuclear thing. We need hundreds and hundreds of companies like that, so that in a 20-year time frame we really are starting to change the energy infrastructure.

If you rely too much on the people in other countries and other companies, in a sense that's your brain and you are outsourcing your brain.

In the next 15 years, we can halve childhood deaths. That's doable.

Well the Global Fund, because of how well it's worked on not only AIDS, but also malaria and tuberculosis, I'd say it's well accepted. I mean, it's not politically controversial that this is a great humanitarian effort. But budgets are very very tight.

Microsoft is involved in setting some fairly key standards and people are afraid of it because they think, Geez, they are quite capable. It's daunting, I suppose.

When you program, you want to think you're writing the best possible program for the... for the task you're trying to solve.

Success on the Web require high-level corporate understanding of the Internet's capabilities and support of early test-and-invest projects.