Almost all the students who make it to Caltech, one of the best scientific universities in the world, come from public schools. So it can be done.

Water is our next great environmental challenge. It is the new oil. How are we going to preserve this sport unless we are designing and maintaining golf courses that are energy net zero, carbon net zero and water net zero? Or ideally, energy positive, carbon positive and water positive, where they are taking out more than they are using.

Hope and optimism aren't just attitudes, they are life strategies.

The unemployment rate today for people with our-year college degrees is 4.1%, which is almost none. That's people switching jobs basically. That tells you that education is the only way up and the only way out. If that is the fact, then we've got to get more of it for more people.

The ideal country in a flat world is the one with no natural resources, because countries with no natural resources tend to dig inside themselves. They try to tap the energy, entrepreneurship, creativity, and intelligence of their own people-men and women-rather than drill an oil well.

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 country that owns green, that dominates that industry, is going to have the most energy security, national security, economic security, competitive companies, healthy population and, most of all, global respect.