“Inside, they pretended they would dream, but they did not. They sprawled on the living room sofa and Adam studied the tattoo that covered Ronan's back: all the sharp edges that hooked wondrously and fearfully into each other.
'Unguibus et rostro,' Adam said.
Ronan put Adam's fingers to his mouth.
He was never sleeping again.”
―
Maggie Stiefvater,
The Raven King