In the future, how we educate our children may prove to be more important than how much we educate them.

The hidden hand of the market will never work without a hidden fist -- McDonald's cannot flourish without McDonnell Douglas, the builder of the F-15. And the hidden fist that keeps the world safe for Silicon Valley's technologies is called the United States Army, Air Force, Navy and Marine Corps.

You'll know the green revolution has been won when the word 'green' disappears.

There is a connection between energy, climate, food and political stability. That has played out in the Arab awakening and is not done playing out.

I don't know what the average income of Muslim-Americans is, but Muslim-American immigrants of recent vintage, I bet they have a very above-average representation in professional and business occupations.

I don't think we replaced the Soviet Union with Al Qaida. I think we replaced, we should have, Soviet Union with the merger of globalization and the IT revolution. I think it's that. That is the real challenge that we face today. Unlike the Soviet Union, it has no face, it has no missiles, but it is something that challenges every job, every city and every community.

You always have to remember that Mother Nature is a lot like your body. If your temperature goes from 98.6 to 100.6, you don't feel so good. If it goes from 100.6 to 102.6, well, you call the doctor. If it goes from 102.6 to 104.6, you're in the emergency room at a hospital. The same with Mother Nature - small changes in global average temperatures have a huge climate effect.