Chief Dan George had all the best lines in The Outlaw Josey Wales.
"We thought about it for a long time, "Endeavor to persevere." And when we had thought about it long enough, we declared war on the Union. "
Unforgiven has some classics, too.
Little Bill: "You sir are a cowardly SOB. You just shot an unarmed man."
William Munny: "He should've armed himself before he went and decorated his saloon with my friend."
"Penny Priddy: Uh, Dr. Banzai, you... you forgot your thruster.
Buckaroo Banzai: [smiles] Why don't you hold onto it for a while?
Penny Priddy: [looks at him suggestively as he leaves the room] Anytime..."
The Adventures of Buckaroo Banzai, probably the best movie ever made.
"I won't be wronged. I won't be insulted. I won't be laid a-hand on. I don't do these things to other people, and I require the same from them." ~John Bernard Books, 'The Shootist'
Quigley - "This ain't Dodge City, and you ain't Bill Hickock."
The Hunt for Red October - "The hard part about playing chicken is knowing when to flinch."; "Come on Big D, Fly!"; "Now Commander... that torpedo did NOT self-destruct. You heard it hit the hull, and I... was never here.