" There is no doubt in my mind that he means it, no doubt at all.Gasping, I pull the knife from my little pocket and stab him in the side. Right between the ribs. If my knife had been longer, I would have punctured his lung.

His eyes go wide with shock. His grip on me loosens. I know what Madoc would say-to push the blade higher. Go for an artery. Go for his heart. But if I mange it, I will have murdered one of the favoured sons of Faerie. I cannot even guess my punishment.
You're no killer. "

― Holly Black , The Cruel Prince (The Folk of the Air, #1)