In almost every area of human endeavor, the practice improves over time. That hasn't been the case for teaching.

If I had one dollar left, I'd spend it on PR

I'm not somebody who goes to church on a regular basis. The specific elements of Christianity are not something I'm a huge believer in.

3D is a way of organizing things, particularly as we're getting much more media information on the computer, a lot more choices, a lot more navigation than we've ever had before.

A company's ability to respond to an unplanned event, good or bad is a prime indicator of its ability to compete.

The best teacher is very interactive.

With polio, we've gone several years with no polio in all of Africa, but now with this we're having to go and mop up in that whole region, so it's a bit of a setback for polio. So in parallel we have to go back and get rid of those cases.