The only way to win the war is to move people's hearts and minds.

I will sing their praises, I'll sing Donald's [Trump] praises and Marco's [Rubio] praises and everybody else's praises. But I'm going to keep the focus on substance and records. And there's a reason why they scream "Liar." Because when you point to their own records, their own voting records, their own words, they don't like their records because their records are inconsistent with what they're running on.

A good impression is great. But a bad impression is even better.

The specific question was visa overstays.Current federal law requires a biometric exit-entry system when you come in on a visa. And the [Barack] Obama administration is just ignoring federal law. Forty percent of illegal immigration is not people who cross the borders illegally. It's people who come legally on a visa and never leave.

Most wars are not won in a single battle.

I think data is incredibly powerful for understanding what people are thinking and for allocating resources.

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.