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.

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

The only thing I understand deeply, because in my teens I was thinking about it, and every year of my life, is software. So I'll never be hands-on on anything except software.

When I was young I liked taking tests. I happened to be good at it. Certain subjects came easily, like math. All the science stuff. I would just read the textbooks in the first few days of class.

I don't think I would have spent time learning about the immune system if understanding vaccines weren't something I considered very important.

The willingness to hear hard truth is vital not only for CEOs of big corporations but also for anyone who loves the truth. Sometimes the truth sounds like bad news, but it is just what we need.

I think it's fair to say that personal computers have become the most empowering tool we've ever created. They're tools of communication, they're tools of creativity, and they can be shaped by their user.