Everything I’ve ever gotten in life is largely due to the fact that I was born in this country, America, at this time with these opportunities for its citizens. It is the primary obligation of our generation to turn over a similar America to our kids.

Scientists tend to focus on what they don't know more than what they do know. And there are a lot of things we still don't know about the climate. But we know the difference between climate variability and climate change, and right now the amount of carbon in the atmosphere is well outside the variability pattern - and that's quite quantifiable.

Tap into people's dignity and they will do anything for you. Ignore it, and they won't lift a finger.

What is the most entrepreneurial country in the Middle East today? It's Lebanon. Which country has no oil or gas? Lebanon. The same was true of Israel, the same was of Bahrain. You could see a real gradation. Turkey, for instance: no oil and gas, very entrepreneurial. You can either dig your future out of the ground or you can unlock the potential of your people.

Communism was a great system for making people equally poor - in fact, there was no better system in the world for that than communism. Capitalism made people unequally rich.

Our kids are going to be so angry with us one day. We've charged their future on our Visa cards.

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.