The Chinese are clearly inculcating the idea that science is exciting and important, and that's why they, as a whole-they're graduating four times as many engineers as we are, and that's just happened over the last 20 years.

Nobody spends any money on smallpox unless they worry about a bio-terrorist recreating it.

I try to make time for reading each night. In addition to the usual newspapers and magazines, I make it a priority to read at least one newsweekly from cover to cover. If I were to read what intrigues me- say, the science and business sections - then I would finish the magazine the same person I was when I started. So I read it all.

If you mess up, it's not your parents' fault, so don't whine about your mistakes, learn from them.

We believe the world changes when the boldest thinking is directed at the toughest problems

The answer is simple, and harsh. The market did not reward saving the lives of these children, and governments did not subsidize it. So the children died because their mothers and their fathers had no power in the market and no voice in the system.

I have an excellent memory, a most excellent memory.