“Is this the part where you say if I hurt her, you'll kill me?"
"No" Simon said, "If you hurt Clary she's quite capable of killing you herself. Possibly with a variety of weapons.”

“There is nothing more painful in the world than Aly when she makes her big eyes. She makes her big hurt eyes, there's nothing you can do. She just kills you.”

“I hope this means you'll quit asking me to kill you. It gives me indigestion.”

“Sweet as sugar. Hard as ice. Hurt me once. I'll kill you twice.”

“Sweet as sugar, hard as ice. hurt me once, I'll kill you twice.”

“She grabbed his arm. "Let it be, son!" she cried. "That child ain't hurt!"
"Not hurt! You look into her eyes and tell me she ain't hurt!”

“If you don’t go after Luke,” Clary said, enunciating very clearly, “I, personally, will kill you.”
For a moment Jocelyn looked astonished. Then she smiled. “Well,” she said, “if you put it like that.”

“You don’t get to choose if you get hurt in this world, old man, but you do have some say in who hurts you. I like my choices. I hope she likes hers.”

“If I kill you, you'll be awake, you'll be facing me, and you'll be armed.”

“Your enemies can kill you, but only your friends can hurt you.”