Demons feed on death and pain madness," Valentine said. "When I kill, it is because I must. You grew up in a falsely beautiful paradise surrounded by fragile glass walls, my daughter. Your mother created the world she wanted to live in and she brought you up in it, but she never told you it was an illusion. And all the time the demons waited with their weapons of blood and terror to smash the glass and pull you free of the lie.
Cassandra ClareI donโt like keeping her in the dark,โ Jace said. โWeโll tell her in a week. What difference does a week make?โ Jace gave him a look. โTwo weeks ago you were dead.โ โWell, I wasnโt suggesting two weeks,โ said Sebastian. โThat would be insane.
Cassandra ClareYouโre in my bones and my blood and my heart,โ he said. โIโd have to tear myself open to let you go.
Cassandra ClareMost Shadowhunters get their first Marks at twelve. It must have been in your blood.โ โMaybe. Although I doubt most Shadowhunters get a tattoo of Donatello from the Teenage Mutant Ninja Turtles on their left shoulder.โ Jace looked baffled. โYou wanted a turtle on your shoulder?โ -Jace & Clary, pg. 314-
Cassandra Clare