Nobody ever thanks you for saving them from the disease they didn't know they were going to get.

Vaccines are the tugboats of preventive health.

People are beginning to understand there is nothing in the world so remote that it can't impact you as a person. It's not just diseases. Economists are now beginning to say if we are going to have good markets in Africa, we're going to have to have healthy people in Africa.

I began to exercise a lot of cinematic muscle with the precepts I had learned in the New York art world. Film was intriguing. I began to think of art as elitist; film was not.

Most modern science fiction went to school on 'Dune.' Even 'Harry Potter' with its 'boy protagonist who has not yet grown into his destiny' shares a common theme. When I read it for the first time, I felt like I had learned another language, mastered a new culture, adopted a new religion.

So often, science fiction helps to get young people interested in science. That's why I don't mind talking about science fiction. It has a real role to play: to seize the imagination.

I'm pretty good about getting some exercise every day - well, most days. The secret for me was to put the elliptical in front of the TV.