[...] "I recall what you said to me once," Will went on. "That words have the power to change us. Your words have changed me, Tess; they have made me a better man than I would have been otherwise. Life is a book, and there are a thousand pages I have not read. I would read them together with you, as many as I can, before I die -

Ma'am," Magnus said, advancing. "I must counsel you not to exit the carriage while a demon-slaying is in progress.

In a closed urban fantasy, the magical world is secret and no one knows about it. In an open urban fantasy, everyone knows about it. So with a closed fantasy, you have to figure out how the world keeps itself secret, and with an open one, you have to figure out how knowledge of magic has altered the world we know.

Some are just born bad, and that's all there is to it.

She had never asked herself whether it cost him any effort. Any effort to stand between Will and the world, protecting each one of them from the other.

If you run into a psychic wall face-first, do you wind up with psychic bruises? -Clary, pg.239-

Just kissing? How quickly you dismiss our love.