I don't think you're as capable of handling lack of sleep or whatever challenges you throw at your body as you get older. However, I never missed a day of work.

Good programmers stay open minded to that even though there is no obvious way to improve what they've done they... they keep looking and they listen to what other people have to say.

The general idea of the rich helping the poor, I think, is important. That your sense of justice says, why should rich kids - who barely get these diseases and almost never die of them - why should they get the vaccines, when poor kids, who actually do die from these diseases, don't get those things? It's an unbelievable inequity that there isn't that access.

The media covers what’s new – and millions of people dying is nothing new. So it stays in the background, where it’s easier to ignore. But even when we do see it or read about it, it’s difficult to keep our eyes on the problem. It’s hard to look at suffering if the situation is so complex that we don’t know how to help. And so we look away.

Harnessing steam power required many innovations, as William Rosen chronicles in the book 'The Most Powerful Idea in the World.'

There will be two types of businesses in the next 5 years, those that are on the Internet, and those that are out of business

Our leadership [in Microsoft ] has that - "hey, we are the best in certain ways," and so we get the best people. That any kind of positive dynamic is quite good, so I love what's going on there, it's fun.