Simplify the following text for a Grade 7 native English-speaking person.
Original: He writes that in earlier myths , Pandora was married to Prometheus , and cites the ancient Hesiodic Catalogue of Women as preserving this older tradition , and that the jar may have at one point contained only good things for mankind .
Simplified: West cites Hesiod 's Catalogue of Women , which preserved the older version . In one version of the story , the jar may have contained only good things for mankind .