We all want the Greek people to prosper, to be able to provide a good life for their families and their children. That would be good for Greece, that would be good for the European Union, good for the United States, and ultimately, good for the world.

What is required of us now is a new era of responsibility - a recognition, on the part of every American, that we have duties to ourselves, our nation, and the world, duties that we do not grudgingly accept but rather seize gladly, firm in the knowledge that there is nothing so satisfying to the spirit, so defining of our character, than giving our all to a difficult task. This is the price and the promise of citizenship.

We are in what we hope is an intensive diplomatic phase now. It will not be open-ended.

My wife has been my closest friend, my closest advisor. And ... she's not somebody who looks to the limelight, or even is wild about me being in politics. And that's a good reality check on me. When I go home, she wants me to be a good father and a good husband. And everything else is secondary to that.

The incredible story of progress that is America has always been built by those who ask why, what if, and why not. Our schools must begin instilling that wonder in our children again so that their generation will unite around the next great project of our time, whether it be declaring America energy independent or launching the next great technological revolution.

A nation that can't control its energy sources can't control its future.

[When I ordered 30,000 more troops into Afghanistan] that was the first time in which I looked out at a crowd of West Point graduates and knew that some of those might not come back because of that decision.