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

A country that armed Stalin to defeat Hitler can certainly work alongside enemies of al-Qaida to defeat al-Qaida.

For the mission's sake, our country's sake, and the sake of the men who carried the Division's colors in the past battles - who fought for life and never lost their nerve - carry out your mission and keep your honor clean. Demonstrate to the world there is "No Better Friend, No Worse Enemy" than a U.S. Marine.

I don't lose any sleep at night over the potential for failure. I cannot even spell the word.

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

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

Since 9/11 we've been engaged in wars around the world, and General [James] Mattis has been a leading battlefield commander in many of those theaters, including in the April 2004 siege of Fallujah, where the US Marines killed so many people that the municipal soccer stadium in the city had to be turned into a graveyard for the dead.