The interview process tests not what the applicant knows, but how well they can process tricky questions: If you wanted to figure out how many times on average you would have to flip the pages of the Manhattan phone book to find a specific name, how would you approach the problem? If a spider fell to the bottom of a 50-foot well, and each day climbed up 3 feet and slipped back 2, how many days would it take the spider to get out of the well? .

I remember thinking quite logically that I didn't want to spoil my children with wealth and so that I would create a foundation, but not knowing exactly what it would focus on.

For all these infectious diseases, the goal is to eventually get rid of them. And to do that we need to invent new tools, but nobody was doing that because there was no money to buy on behalf of the poorest, even the existing tools.

I can understand wanting to have a million dollars but once you get beyond that, I have to tell you, it's the same hamburger.

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.

I was lucky to be involved and get to contribute to something that was important, which is empowering people with software.

Talking to mothers, always brings it home because they're so anxious to do everything they can for their kids and so tragic for them.