In three years, every product my company makes will be obsolete. The only question is whether we will make them obsolete or somebody else will.

According to Ethiopian custom, parents wait to name a baby because children often die in the first weeks of life.

There's only one trick in software, and that is using a piece of software that's already been written.

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.

If you think of global public goods like polio eradication, the kind of risk-taking new approach, philanthropy really does have a role to play there, because government doesn't do R&D about new things naturally as much as it probably should, and so philanthropy's there.

In ninth grade, I came up with a new form of rebellion. I hadn't been getting good grades, but I decided to get all A's without taking a book home. I didn't go to math class, because I knew enough and had read ahead, and I placed within the top 10 people in the nation on an aptitude exam.

The only big companies that succeed will be those that obsolete their own products before somebody else does.