If you're too focused on your current business, it's hard to change and concentrate on innovating.

What we're really after is simply that people acquire a legal license for Windows for each computer they own before they move on to Linux or Sun Solaris or BSD or OS/2 or whatever.

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

Countries which receive aid do graduate. Within a generation, Korea went from being a big recipient to being a big aid donor. China used to get quite a bit of aid; now it's aid-neutral.

If you're smart, you often want a feedback loop so you know if what you've done is... is right.

My experience of malaria was just taking anti-malarials, which give you strange dreams, because I don't want to get malaria.

I think if you talk to the experts in any field where you have to take on a unknown challenge, where you're going to be working on it for a long time you'd find that to work themselves up to their best performance and really throw themselves into it, you know, spend all these hours in there and ah, give it their... give it their best that optimism plays a role.