“Do you know what it’s like to kill a man? You just pushed a knife into living, moving skin and you realize you pierced a heart that beats against your sharp knife.-Lucas Tyrel”
“The tongue like a sharp knife... Kills without drawing blood.”
“They tried to pierce your heart with a Morgul-knife which remains in the wound. If they had succeeded, you would have become like they are, only weaker and under their command. You would have became a wraith under the dominion of the Dark Lord.”
“This is my knife. It is very sharp and very eager to hurt you.”
“So you want a knife, a nice sharp knife. You hone that blade to its limits. It even cuts through stone when you want it to. It saves your life. And then you're outraged when it cuts you accidentally. You see, knives don't switch off. And neither do people, not when you hone them to a fine edge.”
“How do you 'accidentally' kill a noble man in his own mansion?" "With a knife in the chest. Or, rather, a pair of knives in the chest...”