You can't break a man the way you break a dog or a horse. The harder you beat a man, the taller he stands.

Did I ever tell you what the definition of insanity is? Insanity is doing the exact... same fucking thing... over and over again expecting... shit to change... That. Is. Crazy.

There are two kinds of people: ones that are trying to build their future and ones that are trying to rebuild their past.

I should have been the one to fill your dark soul with liiiight!

You reap what you sow, Artyom: force answers force, war breeds war, and death only brings death. To break this vicious circle one must do more than act without any thought or doubt.

Cortana: What if you miss?
Master Chief: I won't.

Cortana: So have you got a plan to get out?
Master Chief: I was gonna shoot my way out. Mix things up a little.

I need a weapon.

Jackpot!

Oh crap.

...........

Dom: Did you hear that? What the hell’s that sound?
Marcus: It’s just the wind.
Dom: Yeah, right. When was the last time the wind said 'hostiles' to you?