Gabrielle

“That was enterprising," Will sounded nearly impressed.
Nate smiled. Tess shot him a furious look. "Don't look pleased with yourself. When Will says 'enterprising' he means 'morally deficient.'"
"No, I mean enterprising," said Will. "When I mean morally deficient, I say, 'Now, that's something I would have done'.”
― Cassandra Clare, Clockwork Angel

“I don't want to be a man," said Jace. "I want to be an angst-ridden teenager who can't confront his own inner demons and takes it out verbally on other people instead."
"Well," said Luke, "you're doing a fantastic job.”
― Cassandra Clare, City of Ashes

“Don't touch any of my weapons without my permission."
"Well, there goes my plan for selling them all on eBay," Clary muttered.
"Selling them on what?"
Clary smiled blandly at him. "A mythical place of great magical power.”
― Cassandra Clare, City of Bones

“One must always be careful of books," said Tessa, "and what is inside them, for words have the power to change us.”
― Cassandra Clare, Clockwork Angel