Ultimately, if you think about all the youth that everybody has mentioned here in Africa, if everybody is raising living standards to the point where everybody has got a car and everybody has got air conditioning, and everybody has got a big house, well, the planet will boil over - unless we find new ways of producing energy.

I know starting careers in troubled times is a challenge, but it is also a privilege. Because it's moments like these that force us to try harder, dig deeper and to discover gifts we never knew we had. To find the greatness that lies within each of us. So don't ever shy away from that endeavor. Don't stop adding to your body of work. I can promise that you will be the better for that continued effort as will be this nation that we all love.

As progressives we believe in affordable health care for all Americans.

We can't, you know, use our military to make sure the planet doesn't get warmer. And so that kind of leadership, of being able to bring people together, to apply practical commonsense solutions based on facts, based on science, based on what works you know, that's been the approach I have taken consistently as a public servant. That's the kind of style that I think we need in the presidency right now.

But something stirred across the country because of what happened in Selma, Alabama, because some folks were willing to march across a bridge. And so they [my parents] got together, Barack Obama Jr. was born. So don't tell me I don't have a claim on Selma, Alabama. Don't tell me I'm not coming home when I come to Selma, Alabama.

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.

We cannot have a society in which some dictator some place can start imposing censorship here in the United States. If somebody is able to intimidate folks out of releasing a satirical movie, imagine what's going to happen when they see a documentary they don't like or news reports they don't like."