" The arrow hit Xiahou Dun full in the left eye. He shrieked, and putting up his head, pulled out the arrow and with it the eye. “Essence of my father, blood of my mother, I cannot throw this away!” cried Xiahou Dun, and he put the eye into his mouth and swallowed it. "

― Luo Guanzhong , Three Kingdoms (4-Volume Boxed Set)