“Your angel cannot protect you against that which neither god nor the devil had made”

“Come back to me, Tessa. Henry said that perhaps, since you had touched the soul of an angel, that you dream of Heaven now, of fields of angels and flowers of fire. Perhaps you are happy in those dreams. But I ask this out of pure selfishness. Come back to me. For I cannot bear to lose all my heart.”

“She had fallen asleep with her head on his arm, the clockwork angel, still around her throat, resting against his shoulder just to the left of his collarbone. As she moved away, the clockwork angel slipped free and she saw to her surprise that where it had lain against his skin it had left a mark behind, no bigger than a shilling, in the shape of a pale white star.”

“She made an impatient noise. "By the Angel, you don't know anything about your kid, do you? Do you even really know how vampires are made?""Well, when a mommy vampire and a daddy vampire love each other very much ... ”

“Why is it, little Shadowhunter, that your angels are so cold and without mercy? Why do they break that which will not obey them?”

“Faeries are fallen angels," said Dorothea, "cast down out of heaven for their pride.""That's the legend," Jace said. "It's also said that they're the offspring of demons and angels, which always seemed more likely to me. Good and evil, mixing together. Faeries are as beautiful as angels are supposed to be, but they have a lot of mischief and cruelty in them. And you'll notice most of them avoid midday sunlight—""For the devil has no power," said Dorothea softly, as if she were reciting an old rhyme, "except in the dark.”

“Jem cried out with all his remaining strength. You cannot go where I am going! Nor would I want that for you!”