“Whatever doesn't kill me...had better start running.”

“What don't kill me...Had better start running!”

“If you insist on the chase then you'd better start running 'cause dude, you're in for a marathon”

“Kill me, little sister. Kill me and you kill Jace, too.”

“She pulled away. "That doesn't make any sense.""Neither does this," he said, "but I don't care. I'm sick of trying to pretend I can live without you. Don't you understand that? Can't you see it's killing me?”

“Demon pox," said Sophie. "Mr. Lightwood's got it, has had for years, and it'll kill him in a right couple of months if he doesn't get the cure. And Mortmain said he can get it for him." The room exploded in a hubbub. Charlotte raced over to Sophie; Henry called after her; Will leaped from his chair and was dancing in a circle.”

“Not really, but after that I think about how I could kill him while he slept if I really wanted to, and then I feel better.”