Hope remained in the container after the troubles escaped in the common version of Pandora’s myth.
Hesiod’s Works and Days describes destructive forces leaving the vessel and says that hope remained inside. The Greek word is elpis, usually translated as “hope.” The text has generated centuries of debate because it does not plainly explain whether hope was deliberately preserved as a benefit for humanity or was trapped inside while the evils escaped.
Later retellings usually present the episode as a story of consolation: although Pandora releases disease, toil, and other hardships, hope remains available to people. This positive interpretation is especially common in modern children’s books and general references.
The myth does not use the later phrase “Pandora’s box” in its earliest surviving form. It also does not establish a single universally accepted psychological meaning for hope. Nevertheless, Hope is the conventional answer to the question because elpis is the named element left in the vessel in the familiar account.