Several good Lethal Weapon quotes. It's one of my all time favorites. How about:

Murtaugh: "See how easy that was? Boom, still alive. Now we question him. You know why we question him? I didn't shoot him full of holes or try to jump off a building with him."

Riggs: "Hey, that's not fair. The building guy lived."

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"The Gods are just, and of our pleasant vices
Make instruments to plague us." - King Lear