There are lots of countries that are having these kinds of internal civil wars in other parts of the world and nobody is talking about intervening.

We have gone forth from our shores repeatedly over the last hundred years and we've done this as recently as the last year in Afghanistan and put wonderful young men and women at risk, many of whom have lost their lives, and we have asked for nothing except enough ground to bury them in, and otherwise we have returned home to seek our own lives in peace.

The freedom to do your best means nothing unless you are willing to do your best.

With respect to our friends in the [Iraq] region, each has its own system, each will have to make its own judgment as to whether it will change, how fast it will change, and we hope that we can help influence them as to how change comes about and what change might be better for them than other forms of change.

My own experience is use the tools that are out there. Use the digital world. But never lose sight of the need to reach out and talk to other people who don't share your view. Listen to them and see if you can find a way to compromise.

Our failure was that our intelligence community thought [Saddam Hussein ] had stockpiled weapons of mass destruction. That was a mistake. There is fallibility in human intelligence and in human decisions.

Each of us must work to become a hardheaded realist, or else we risk wasting our time and energy on pursuing impossible dreams. Yet constant naysayers pursue no less impossible dreams. Their fear and cynicism move nothing forward. They kill progress. How many cynics built empires, great cities, or powerful corporations?