If you've got a business - you didn't build that.

If you give up on the idea that your voice can make a difference, then other voices will fill the void: lobbyists and special interests; the people with the $10 million checks who are trying to buy this election and those who are making it harder for you to vote; Washington politicians who want to decide who you can marry, or control health care choices that women should make for themselves.

There is not a liberal America and a conservative America - there is the United States of America. There is not a black America and a white America and latino America and asian America - there's the United States of America.

And we remember the end of our combat mission and the emergence of a new dawn - the precision of our efforts against al Qaeda in Iraq, the professionalism of the training of Iraqi security forces, and the steady drawdown of our forces. In handing over responsibility to the Iraqis, you preserved the gains of the last four years and made this day possible.

The biggest threat that we face right now is not a nuclear missile coming over the skies. It's in a suitcase. This is why the issue of nuclear proliferation is so important. It is the - the biggest threat to the United States is a terrorist getting their hands on nuclear weapons.

The boarded-up homes, the decaying storefronts, the aging church rolls, kids from unknown families who swaggered down the streets - loud congregations of teenage boys, teenage girls feeding potato chips to crying toddlers, the discarded wrappers tumbling down the block - all of it whispered painful truths.

The president [Barack Obama] laid out his vision for foreign policy in a way that we hadn't heard before. And it could be summed up, I think, in two words - realistic idealism.