In the standard Greek myth, evils escaped from Pandora’s opened vessel into the human world.
Hesiod describes the container as holding harmful forces that had previously been kept away from people. Once Pandora opens it, these evils spread among humanity, explaining why sickness, suffering, and other hardships exist. Hope remains inside when the vessel is closed.
Modern retellings often list the released contents as diseases, troubles, or misfortunes. The exact wording varies because translations render the Greek terms differently. “Evils” is the concise traditional answer and captures the broad category rather than claiming that every later list appears in Hesiod’s text.
The myth is an etiological story: it offers a mythical explanation for a condition of human life. It is not a scientific account of disease or a literal historical report. Its continuing influence comes from the memorable image of a single opening unleashing many hidden problems, an image now used for political decisions, technologies, and discoveries with unforeseen consequences.