The American people and the American military will never get used to civilian casualties. And we will - we will fight against that every way we can p…

- James Mattis

We've backed off in good faith to try and give you a chance to straighten this problem out. But I am going to beg with you for a minute. I'm going to…

- James Mattis

North Korea is a direct threat to the United States. They have been very clear in their rhetoric we don't have to wait until they have an intercont- …

- James Mattis

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

- James Mattis

You can overcome wrong technology. Your people have the initiative, they see the problem, no big deal ... you can't overcome bad culture. You've gott…

- James Mattis

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

- James Mattis

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

- James Mattis

I think, broadly speaking, the US military's role - US military activism in various parts of the Islamic world over the past several decades has been…

- James Mattis

You cannot allow any of your people to avoid the brutal facts. If they start living in a dream world, it's going to be bad.

- James Mattis