We can’t afford to be so worried about losing the next election that we lose the battles we owe to the next generation. The real gamble in this election is playing the same Washington game with the same Washington players and expecting a different result. And that’s a risk we can’t take.

If we're going to prevent people from being susceptible to the false promises of extremism, then the international community has to offer something better and the United States intends to do its part.

Stamina. There is a greater physical element to this job than you would think, just being able to grind it out. And I think your ability to not just mentally and emotionally, but physically be able to say, "We got this. We're going to be OK."

I guarantee that there is no political influence in any investigation conducted by the Justice Department or the FBI, not just in this case, but in any case, full stop, period.

[We should beware] that our democracy stays healthy. And making sure that we maintain that sense of solidarity.

Mexico is going to need the United States to cooperate in order to rid itself of the violence and corruption that results from the drug trade.

We have proved that the true strength of our nation comes not from the scale of our wealth but from the power of our ideals - opportunity, democracy, liberty and hope.