Remember the lessons of history - if we don't learn from history, we're bound to repeat it.

If you're going to decide to run a data-driven campaign, decision-making has to follow it.

I don't think it's government's job to find health care for people. I think it's the individual's job to find health care.

You think defending this nation [americans] is expensive, try not defending it. That's a lot more expensive.

Socialism has been an abject failure across the face of the globe, millions have suffered under socialism, and yet we're not doing an effective job communicating that.

I am not in the habit of supporting people who attack my wife and attack my father.

What we saw with both Donald Trump and Marco Rubio, that their response, whenever you point to anything in their record, is just to yell, "Liar, liar, liar," and to get very personal and to make direct character attacks. And my approach, from the very beginning of this President's campaign, starting a year ago in 2015, is that I will not respond in kind. I do not intend to insult any of the candidates.