Philosopher with the Golden Thigh
Pythagoras. General Zelislaus had a golden hand, which was given him by Bolislaus III. when he lost his right hand in battle. Nuad had an artificial hand made of silver by Cred.
“Quite discard the symbol of the old philosopher with the golden thigh.” —Rabelais Pantagruel (Prologue to book v.).
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894