In energy, you have to plan and do research way in advance, sometimes decades in advance to get a new system that's safer, doesn't require us to go around the world to get all our oil.

Harnessing steam power required many innovations, as William Rosen chronicles in the book 'The Most Powerful Idea in the World.'

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.

This whole phenomenon of the computer in a library is an amazing thing.

Once you embrace unpleasant news, not as a negative but as evidence of a need for change, you aren't defeated by it. You're learning from it.

I think of myself as a global citizen.

I was a kind of hyper-intense person in my twenties and very impatient.