If there is anyone out there who still doubts that America is a place where all things are possible; who still wonders if the dream of our founders is alive in our time; who still questions the power of our Democracy; Tonight is your answer.

It was basic research in the photoelectric field-in the photoelectric effect that would one day lead to solar panels. It was basic research in physics that would eventually produce the CAT scan. The calculations of today's GPS satellites are based on the equations that Einstein put to paper more than a century ago.

With patient and firm determination, I am going to press on for jobs. I'm going to press on for equality. I'm going to press on for the sake of our children. I'm going to press on for the sake of all those families who are struggling right now. I don't have time to feel sorry for myself. I don't have time to complain. I am going to press on.

I know many of you are hurting and angry about the economy, and I don't blame you. It's the worst economy since the Great Depression. When consumers can't buy and businesses won't expand for lack of customers, the government has to be the purchaser and employer of last resort. We learned that in the Great Depression, but Republicans obviously didn't - and they've blocked every jobs program I've offered.

In the campaign back in 2007, 2008, people would say, "Oh, he's being naïve. He thinks that there's no red states and blue states. And wait 'til he gets here." And I will confess that, I didn't fully appreciate the ways in which individual senators or members of Congress now are pushed to the extremes by their voter bases. I did not expect, particularly in the midst of crisis, just how severe that partisanship would be.

Take off your bedroom slippers, put on your marching shoes. Shake it off. Stop complaining, stop grumbling, stop crying. We are going to press on. We’ve got work to do.

Sanctions alone could not stop Iran's nuclear program. But they did help bring Iran to the negotiating table.