Treachery has existed as long as there's been warfare, and there's always been a few people that you couldn't trust.

Our world is becoming darker. The dangers are increasing from North Korea, whose recent provocation underscored the need to impose a higher price on this rogue regime, a problem that is not just the United States alone, but a problem for us all.

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

Nothing keeps me awake at night. I keep other people awake at night.

Be the hunter, not the hunted: Never allow your unit to be caught with its guard down.

You go into Afghanistan, you got guys who slap women around for five years because they didn't wear a veil. You know, guys like that ain't got no manhood left anyway. So it's a hell of a lot of fun to shoot them. Actually, it’s a lot of fun to fight. You know, it’s a hell of a hoot. It’s fun to shoot some people. I’ll be right up front with you — I like brawling.

The United States has been essentially engaged in an ongoing war that most people date from 2001. That war has taken us to Afghanistan, to Iraq, in a lesser way to other countries - Libya, Somalia, Yemen.