Rock stars get room keys, I get business cards. Wherever I go I meet innovators of wind power equipment, solar energy operators.

No, most of our political elite has not realized that the world is flat.

The philosopher Ludwig Wittgenstein once remarked that if you ask a man how much is two plus two and he tells you five, that is a mistake. But if you ask a man how much is two plus two and he tells you ninety-seven, that is no longer a mistake. The man you are talking to is operating with a wholly different logic from your own.

It is hard to partner with someone when you become so radioactive no one wants to stand next to you.

A golf course should aspire to generate as much energy as it consumes - golf should be leading the way toward energy net zero.

We're going in the wrong direction and I think the only way to counter that is to bring the story home in really concrete ways to people - in ways that kids can understand and non-scientists can understand.

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.