Now we've got that [children's death rate] down to about 5 percent, so we've more than cut it in half, and that's because we're getting vaccines out, economic improvement also helps there, but the vaccines are why we've seen an acceleration in getting that down.

If you really could take the CO2, when you burn hydrocarbons - coal, for example - if you could really capture the carbon and sequester it - they call it CCS - if the extra capital cost, energy cost, and storage costs over time didn't make it super expensive, then that's another path that you could go down.

Convert bad news to good news.

I have to admit that business-type thoughts do sneak into my head: I hope our customers pay us, I hope this stuff is decent, I hope we get it done on time. The little additions and subtractions that one has to do. Take sales, take costs and try to get that big positive number at the bottom.

Today, you always know whether you are on the Internet or on your PC's hard drive. Tomorrow, you will not care and may not even know.

I do think this next century, hopefully, will be about a more global view. Where you don't just think, 'Yes, my country is doing well,' but you think about the world at large.

WWW? Nice toy, but what a waste of time.