Psyche, in Greek mythology, personification of the human soul. She was so lovely that Eros (Cupid), the god of love, fell in love with her. He swept her off to a beautiful, isolated castle but forbade her to look at him since he was a god. When she disobeyed, he abandoned her, but she ceaselessly searched for him, performing difficult and dangerous tasks, until at last she was reunited with him forever and made immortal.