The human body is the most complex system ever created. The more we learn about it, the more appreciation we have about what a rich system it is.

Anyone who spends their life on a computer is pretty unusual.

How you gather, manage, and use information will determine whether you win or lose.

Computers are great because when you're working with them you get immediate results that let you know if your program works. It's feedback you don't get from many other things.

I remember thinking quite logically that I didn't want to spoil my children with wealth and so that I would create a foundation, but not knowing exactly what it would focus on.

Energy is actually harder; it takes more time to get a product, but if you do it's a very, very big market and the constraints of doing that in a clean way are more obvious all the time.

I have to admit that business-type thoughts do sneak into my head: I hope our customers pay us, I hope this stuff is decent, I hope we get it done on time. The little additions and subtractions that one has to do. Take sales, take costs and try to get that big positive number at the bottom.