The Nephilim - the bogeyman for monsters, and all those who could be monsters.

Mene mene tekel upsharin,' Jace said with a faint smile. 'You don't recognize it? It's from the Bible, vampire. The old one. That's your book, isn't it?' Just because I'm Jewish doesn't mean I've memorized the Old Testament.' It's the Writing on the Wall. "God hath numbered thy kingdom, and brought it to an end; thou art weighed in the balance and found wanting." It's a portent of doom--it means the end of an empire.

You said you were going for a walk!? What kind of walk takes six hours?" "A long one?

Chairmen Meow deserves me every effort.

Don't panic, but we've got an audience." Clary turned her head. Perched on a nearby tree branch was Hugo, watching them beadily from bright black eyes. So the sound she'd heard had been wings rather than demented passion. That was disappointing.

A Shadowhunter I believe you know send for me—Tatiana Blackthorn? The lady used to be a Lightwood, did she not?" Magnus turned to Will. "And your sister Cecily married her brother. Gilbert. Gaston. I have a shocking memory for Lightwoods." "I begged Cecily not to throw herself away on a Lightworm," Will muttered.

He began it,” Cecily said, jerking her chin at Will, though she knew it was pointless. Jem, Will’s parabatai, treated her with the distant sweet kindness reserved for the little sisters of one’s friends, but he would always side with Will. Kindly, but firmly, he put Will above everything else in the world. Well, nearly everything.