We remember the surge and we remember the Awakening -- when the abyss of chaos turned toward the promise of reconciliation. By battling and building block by block in Baghdad, by bringing tribes into the fold and partnering with the Iraqi army and police, you helped turn the tide toward peace.

My second piece of advice is to stay global. As the world continues to change and we become more connected to each other, globalization will bring both benefits and disruptions to our lives. But either way, it's here, and it's not going away.

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.

I'm told there's a saying from those ancient times, kalos kai agathos, when someone or something is good and beautiful on the outside, but is also good and noble on the inside in terms of character and in terms of purpose. And I think that's a fine description of the friendship that exists between the Greek people and the American people.

One of the thing about being President - that can't be taught, you have to experience, is - there is the sheer weight of decision making. And when I make a decision to send 17,000 young Americans to Afghanistan - you can understand that intellectually. But understanding what that means for those families, for those young people - when you end up sitting at your desk, signing - a condolence letter to one of the family members of a fallen hero - you're reminded each and every day, at every moment, that - the decisions you make count.

In many ways [those middle-aged black ladies] my touchstone, because they are what I meant when I talked about the audacity of hope.

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