In Hesiod’s Works and Days, evils escaped from Pandora’s vessel and spread among humans.
Hesiod describes the vessel as containing numerous destructive conditions that had previously been kept away from human life. When the vessel is opened, these evils fly out and become part of the human experience. The narrative explains why people must endure sickness, labor, and other forms of hardship.
The text does not present the episode exactly as the familiar modern phrase “Pandora’s box” suggests. Hesiod’s Greek word is generally understood as pithos, a large storage jar. The later box tradition grew through translation and artistic reinterpretation, but the core event remains the release of evils.
The story’s purpose is explanatory and moral as well as dramatic. It connects suffering with Zeus’s conflict with Prometheus and contrasts the lost contents with the one thing left behind, a detail often interpreted in different ways.