We, the people, still believe that our obligations as Americans are not just to ourselves, but to all posterity.

I wish the country had fewer lawyers and more engineers.

Hope - Hope in the face of difficulty. Hope in the face of uncertainty. The audacity of hope!

We are not a nation that says 'don't ask, don't tell.' We are a nation that says 'out of many, we are one.'

Iran's nuclear program . . . there was going to be a time limit . . .

So we don't need more top-down economics. We've tried that theory. We've seen what happens. We can't afford to go back to it.

The people there, the community, the lessons that I learned -- they're all based right in this few square miles where we'll now be able to give something back and bring the world back home after this incredible journey.