As I look forward, I'm very optimistic about the things I see ahead.

I've always been amazed by Da Vinci, because he worked out science on his own. He would work by drawing things and writing down his ideas. Of course, he designed all sorts of flying machines way before you could actually build something like that.

It's easier for our software to compete with Linux when there's piracy than when there's not.

There was a magical breakthrough when the computer became cheap and we could see that everyone could afford a computer.

Should there be cameras everywhere in outdoor streets? My personal view is having cameras in inner cities is a very good thing. In the case of London, petty crime has gone down. They catch terrorists because of it. And if something really bad happens, most of the time you can figure out who did it.

Sorghum is kind of unusual. It can go to very high heats, but it's not as productive in most environments as maize is.

Ridiculous sums of money can be confusing.