Windows 2000 already contains features such as the human discipline component, where the PC can send an electric shock through the keyboard if the human does something that does not please Windows.

Over time, yes, countries will need to look at specific GMO products like they look at drugs today, where they don't approve them all. They look hard at the safety and the testing. And they make sure that the benefits far outweigh any of the downsides.

We're still missing about a dozen vaccines that will make a huge difference. For adults, we've got HIV and TB are still huge; for kids malaria is still killing a half million kids a year out of that 6 million. We probably need some vaccines, but we need a little more data to make sure we're getting the vaccines that will save the most lives.

Just in terms of allocation of time resources, religion is not very efficient. There's a lot more I could be doing on a Sunday morning.

Life is a lot more fun if you treat its challenges in creative ways.

The Green Revolution focused on the big three - maize, rice and wheat - and the Green Revolution did not adapt the big three to African conditions, other than South Africa, as much as they should have.

The best way to prepare [to be a programmer] is to write programs, and to study great programs that other people have written. In my case, I went to the garbage cans at the Computer Science Center and I fished out listings of their operating systems.