A Fox entered the house of an actor and, rummaging through all his properties, came upon a Mask, an admirable imitation of a human head. He placed his paws on it and said, "What a beautiful head! Yet it is of no value, as it entirely lacks brains."
Aesop (2013). “Aesop's Fables (Illustrated & Annotated Edition)”, p.14, Jazzybee Verlag