"Talk you bastard! Tell us where you hid the book! Don't make me hurt you."
"I am no fool. I've seen what happens to the pee you no longer have a use for. Hurt me if you must, but I know the truth of who and what you are, and I won't give you what you want."
Or...
"Why don't you let me in. It would save you on hospital bills later."
"You're used to having people fear you, aren't you. But what happens when someone doesn't accept your strength? You're all bark, friend, and I'm not afraid of you."