Leadership is all about unlocking the potential in others.

Hillary Clinton's a highly intelligent woman, hard-working, she's dedicated her life to public service, but unfortunately, she does not have a track record of accomplishment or transparency. ... She's not the woman for the White House.

I'm really paying attention. People make up their minds late.

Recall that Hillary Clinton was all for toppling [Moammar] Gadhafi then didn't listen to her own people on the ground. And then of course, when she lied about the terrorist attack in Benghazi, she invited more terrorist attacks.

Hillary Clinton wants to run on the historic nature of her candidacy. I will force her to run on accountability for the Clinton way.

I was naming the five warriors of our generation who have experience, four out of five I would argue were retired early out of the [Barack] Obama administration because they said things the Obama administration didn't particularly want to hear.

When you lead change, sometimes you get arrows in your back. I mean, that's just the way the real world is.