We have two other countries, Pakistan and Afghanistan - again it's the instability that is a problem there. So over the next several years, we expect to drive the number of [polio] cases back down to zero because that is likely to be the second disease after smallpox that we completely eradicate.

The general idea of the rich helping the poor, I think, is important. That your sense of justice says, why should rich kids - who barely get these diseases and almost never die of them - why should they get the vaccines, when poor kids, who actually do die from these diseases, don't get those things? It's an unbelievable inequity that there isn't that access.

Natural epidemics can be extremely large. Intentionally caused epidemics, bioterrorism, would be the largest of all.

Everyone needs a coach. It doesn't matter whether you're a basketball player, a tennis player, a gymnast or a bridge player.

Make sure people get educated, help out with health emergencies. Those things, the government should do. That's 96 per cent of the economy, those two sectors.

I watched the piles of feces go up the conveyor belt... They made their way through the machine... A few minutes later I took a long taste of the end result: a glass of delicious drinking water.

We are seeing pioneers moving out to the Internet, banks that are taking transactions, retail shopping on the Internet, and although it's going to take most of a decade before most adults are turning to the Internet for a high percentage of their act