An untrained or uneducated Marine ... deployed to the combat zone is a bigger threat to mission accomplishment ... than the enemy.

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.

An untrained or uneducated Marine ... deployed to the combat zone is a bigger threat to mission accomplishment ... than the enemy.

We do everything humanly possible, consistent with military necessity, taking many chances to avoid civilian casualties, at all costs.

There are some people who think you have to hate them in order to shoot them. I don't think you do. It's just business.

I think the core problem is much closer to recognizing where force is of value, where it is useful, and to distinguish that from situations in which war is not useful or is indeed counterproductive.

I was struck by the fact that none of the senators, basically, asked General [James] Mattis, "Well, General, how is it that we haven't won?" We haven't won anywhere, 'winning' in the sense of conclusively achieving our political objectives, however you might want to define those objectives.