We can't drive our SUVs and eat as much as we want and keep our homes on 72 degrees at all times... and then just expect that other countries are going to say OK. That's not leadership. That's not going to happen.

If you're 54 or 55, you might want to listen because this will affect you. The idea, which was originally presented by Congressman Ryan, your running mate, is that we would give a voucher to seniors and they could go out in the private marketplace and buy their own health insurance.

[J]ust because you have an individual right does not mean that the state or local government can't constrain the exercise of that right.

The United States wants a strong United Kingdom as a partner. And the United Kingdom is at its best when it's helping to lead a strong Europe.

The changes in thinking about same-sex marriage have come slowly at first and then in rapid course. If such change is possible in this area, is it also possible in the vexed and sordid realm of race relations?

Well, I think that when you think about the challenges we face, these are challenges that require us to look forward and not backwards. When it comes to the economy I think we have to recognize that we are now in a global economy. And that the measure of our success is: how well are we training our workers? How well are we investing in the new energy economy?

I have always believed that hope is that stubborn thing inside us that insists, despite all the evidence to the contrary, that something better awaits us so long as we have the courage to keep reaching, to keep working, to keep fighting." (Victory Speech, Nov. 7, 2012)