With respect to the outlines of what's in the Army Field Manual, there's no doubt in my mind about the limitations it places not only on the DOD, but on the Central Intelligence Agency. And I'll always comply with the law.

You are part of the world's most feared and trusted force. Engage your brain before you engage your weapon.

There is no corporation in the world that would, in a competitive environment, try and concentrate all decisions at the corporate level.

The first time you blow someone away is not an insignificant event.

Our strategy right now is to accelerate the campaign against ISIS. It is a threat to all civilized nations.

There are hunters and there are victims. By your discipline...you will decide if you are a hunter or a victim.

General [James] Mattis's primary experience - indeed, his only experience - is as a member of the United States Marine Corps, where he served for 41 years. That's his experience.