In Hesiod’s Works and Days, Pandora’s opened vessel releases evils across the human world.
Hesiod describes the vessel as containing destructive conditions that had previously been hidden from people. Once Pandora opens it, sickness, labor, and other forms of suffering spread among humanity. The passage explains why human life includes hardship while presenting the story within a larger poem about work, justice, agriculture, and proper conduct.
The word “evils” is a broad translation of the Greek description, not the name of a single creature or substance. Modern illustrations often show monsters, smoke, or curses flying from a box, but those visual details are later artistic inventions. Hesiod’s account is more abstract and focuses on the arrival of troubles in human existence. Hope is treated separately in the passage, which is why summaries disagree about whether it remains inside the vessel or is prevented from escaping.