This is American leadership at its best: We stand with people who fight for their own freedom, and we rally other nations on behalf of our common security and common humanity.

When I've sent young men and women into harm's way, I always understand that that is the last resort, not the first resort.

The United States, we know what happens when we start dividing ourselves along lines of race or religion or ethnicity.

If you're willing to put in the work, the idea is that you should be able to raise a family and own a home, not go bankrupt because you got sick, 'cause you've got some health insurance that helps you deal with those difficult times; that you can send your kids to college; that you can put some money away for retirement. That's all most people want. Folks don't have unrealistic ambitions. They do believe that if they work hard, they should be able to achieve that small measure of an American dream.

It's easier to make negative attacks and simplistic slogans [in social media] than it is to communicate complex policies.

If everybody who voted in 2008 shows up in 2010, we will win this election. We will win this election.

Iran won't pursue nuclear weapons because 'it's contrary to their faith.'