Stargate: Atlantis2004

Torrell:
Well, I could kill you. But you strike me as the type of man who, despite being weak and cowardly on the outside, harbours a strength of character he doesn't even know he has.

Dr. Rodney McKay:
I'm sorry - was there a compliment in there?

Torrell:
See, the way to motivate a man like you, Mr McKay, is not to threaten your life; it's to threaten the lives of your friends. That's right. Fix the ship, otherwise they start dying, one after another, 'til you change your mind, or until they're all dead. I don't care.