But as importantly, it lies in the fact that we've got citizens from all walks of life, all political parties, that are willing to say, I want to love my neighbor. I want to make somebody's life just a little bit better.

Our enemies are innovative and resourceful, and so are we. They never stop thinking about new ways to harm our country and our people, and neither do we.

Afghanistan is the most daring and ambition mission in the history of NATO.

To those of you who received honours, awards and distinctions, I say, well done. And to the C students, I say, you too can be president of the United States.

The fundamental question is, 'Will I be a successful president when it comes to foreign policy?' I will be, but until I'm the president, it's going to be hard for me to verify that I think I'll be more effective.

I respect every soldier, from every country, who serves beside us in the hard work of history. America is grateful, and America will not forget.

The advance of freedom is the great story of our time