Globalization has made copper and other minerals more valuable, and Ghana and Kenya have recently discovered mineral resources.

Creativity allows people to be effective.

In 80% of the world, energy will be bought where it is economic. You have to help the rest of the world get energy at a reasonable price.

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.

Analytical software enables you to shift human resources from rote data collection to value-added customer service and support where the human touch makes a profound difference.

I've always been amazed by Da Vinci, because he worked out science on his own. He would work by drawing things and writing down his ideas. Of course, he designed all sorts of flying machines way before you could actually build something like that.

American dependence on oil has only gone up as we've gone through various crises and not invested in R&D.