[Smart] is an elusive concept. There's a certain sharpness, an ability to absorb new facts. To ask an insightful question. To relate to domains that may not seem connected at first. A certain creativity that allows people to be effective.

Understanding science and pushing the boundaries of science is what makes me immensely satisfied.

If somebody is working on a new medicine, computer science helps us model those things. We have a whole group here in Seattle called the Institute for Disease Modelling that is a mix of computer science and math-type people, and the progress we're making in polio or plans for malaria or really driven by their deep insights.

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

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 close relationships we form between researchers and product groups have already shown we can move the great ideas as they come along, without a schedule, into the products.

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