“We don't require luck," said Will, "we have a heavenly mandate, after all. With God on your side, what does luck matter?”

“With God on your side, what does luck matter?”

“Keeping demons from this world is your mandate, a mandate from heaven. And a mandate from heaven isn't something you can just ignore.”

“Will: 'Singing the praises of our fair city? We treat you well here, don't we, James? I doubt I'd have that kind of luck in Shanghai. What do you call us there again?'Jem: 'Yang guizi ... foreign devils.”

“Shadowhunters don't say good-bye, not before a battle. Or good luck. You must behave as if return is certain, not a matter of chance”

“There is that. I might have better luck telling him I’m in love with him. Jace thinks everyone’s in love with him anyway.”“But I,” said Clary, “actually am.”

“Mundies die awfully easily, don't they?" "Isabelle, you know it's bad luck to talk about death in a sickroom.”