[The Democrats] have got to do a better job of showing up.

The United States often finds itself in a situation where if it goes in militarily then it is criticized for going in militarily, and if it doesn't go in militarily, then people say, why aren't you doing something militarily?

But while they're adding teachers in places like South Korea, we're laying them off in droves. It's unfair to our kids. It undermines their future and ours. And it has to stop. Pass this bill, and put our teachers back in the classroom where they belong.

We need to teach our kids that it's not just the winner of the Super Bowl who deserves to be celebrated, but the winner of the science fair.

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)

Scientists and engineers ought to stand side by side with athletes and entertainers as role models.

What I've said is we're going to encourage democracy in Pakistan, expand our nonmilitary aid to Pakistan so that they have more of a stake in working with us, but insisting that they go after these militants.