All Quotes from Halo 3
Cortana: "So have you got a plan to get out?"
Master Chief: "I was gonna shoot my way out. Mix things up a little."
Cortana: "What if you miss?"
Master Chief: "I won't."
They let me pick, did I ever tell you that? Choose whichever Spartan I wanted. You know me. I did my research. Watched as you became the soldier we needed you to be. Like the others, you were strong and swift and brave. A natural leader. But you had something they didn't. Something no one saw... but me. Can you guess? Luck. Was I wrong?
A hero need not speak. When he is gone, the world will speak for him.