 It comes originally from the "Pantschatantra" and later forms part of other tale collections in Sanskrit, Arabic, French, and Persian.Boccaccio probably used a French version of the tale.Lydia, wife of Nicostratus, loves Pyrrhus, who to assure himself thereof, asks three things of her, all of which she does, and therewithal enjoys him in presence of Nicostratus, and makes Nicostratus believe that what he saw was not real.