the idea of eternal perdition for the wickedest of souls, in a place of unending suffering, appears to have been a Greek notion—mythological, religious, and philosophical—before it ever took (shallow) root in Jewish thought;
Homer's Hades, for example, housed shadows that are being endlessly punished for some transgression or other, though of course Hades was occupied by all dead persons (with a few exceptions) regardless of wickedness
