What is the value of having millions of people in Iraq not having a repressive regime? What is the value of having the Iraqi regime not shooting at UK and US aircraft almost every day? What is the value of the Iraqis having a free press? What is the value of the foreign minister of Iraq going to Paris, calling for an end of the Gadhafi regime and citing Iraq as a model, as an example, that in fact a freer political system can exist in that part of the world?

I would not say that the future is necessarily less predictable than the past. I think the past was not predictable when it started.

The way to do well is to do well.

The purpose of terrorism is to terrorize. It's to change the behavior of the people that are being terrorized.

Don't think of yourself as indispensable or infallible. As Charles De Gaulle said, the cemeteries of the world are full of indispensable men.

Whatever new threats and challenges may emerge, our nation will be able to face them squarely, deal with them, and yet allow our people to continue to live free and unafraid. The decisions you make, the courage and creativity you bring to your responsibilities, will determine America's future. Liberty and our way of life are fragile gifts - their care is in your hands. We thank you for stepping forward to shoulder that immense responsibility. Your country is grateful, and proud of each of you.

... something under $50 billion for the cost. How much of that would be the U.S. burden, and how much would be other countries, is an open question.