But the ancient Greek myth had a dark side: Zeus was so enraged by the theft of the gods’ most powerful secret that he chained Prometheus to a rock, where a giant eagle descended to peck out his liver every day for eternity. Nor did mortal man escape retribution for accepting Prometheus’s gift. To him, Zeus sent Pandora, the first woman, bearing a box that, once opened, unleashed evils that could never again be contained.