When you don't respond to bad behavior, you get more of it.

I am a conservative because I know that no one of us is better than any other one of us.

The highest calling of leadership is to unlock the potential of others.

I mean there are many people who have endorsed me that I agree with on some things and not others.

Socialism starts when government creates a problem, and then government steps in to solve the problem.

I didn't say I would cut off all communication with [Vladimir] Putin. What I said was as president of the United States, now is not the time to talk with him.

One of the things I would immediately do [as Commander in Chief ], in addition to defeating them here at home, is bring back the warrior class - Petraeus, McChrystal, Mattis, Keane, Flynn. Every single one of these generals I know. Every one was retired early because they told President [Barack] Obama things that he didn't want to hear.