Then Cupid, as swift as lightning penetrating the heights of heaven, presented himself before Jupiter with his supplication. Jupiter lent a favoring ear, and pleaded the cause of the lovers so earnestly with Venus that he won her consent. On this he sent Mercury to bring Psyche up to the heavenly assembly, and when she arrived, handing her a cup of ambrosia, he said, "Drink this, Psyche, and be immortal; nor shall Cupid ever break away from the knot in which he is tied, but these nuptials shall be perpetual.