So you're a Shadowhunter,' Nate said. 'De Quincey told me th... - Cassandra Clare, Clockwork Angel

"It was odd, (Tessa thought), what brought out tenderness in people."

"There's plenty of sense in nonsense sometimes, if you wish to look for it."

"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'."

"Pulvis et umbra sumus. It's a line from Horace. 'We are dust and shadows'. Appropriate, don't you think?"Will said. "It's not a long life, killing demons; one tends to die young, and then they burn your body - dust to dust, in the literal sense. And then we vanish into the shadows of history, nary a mark on the page of a mundane book to remind the world that once we existed at all."

"One must always be careful of books,"said Tessa, "and what is inside them, for words have the power to change us."