Philanthropy should be voluntary.

Success is a miserable teacher. It tempts intelligent people to believe they cannot lose. And it is an unreliable guide to the future.

Every new change forces all the companies in an industry to adapt their strategies to that change.

Sometimes we do get taken by surprise. For example, when the Internet came along, we had it as a fifth or sixth priority. It wasn't like somebody told me about it and I said, "I don't know how to spell that." I said, "Yeah, I've got that on my list, so I'm okay." But there came a point when we realized it was happening faster and was a much deeper phenomenon than had been recognized in our strategy.

I could name about a dozen paths, and you'd like to have a whole bunch of research on all those paths, and then, eventually, at least four to five companies with really significant financing try and get to big scale, going down and really trying to prove it out.

Creativity allows people to be effective.

In my 20s, I worked very, very hard. I have a much more balanced life now.