The reference is to the famous last lines of Paradise Lost in which Adam and Eve forever
                     depart Eden (XII.646-49). That the Creature speaks in these elegiac tones suggests
                     that, for him, this is the moment in which he can no longer define himself, as he
                     did in his appeal to the elder De Lacey (II:7:26), as a being of innocent and benevolent
                     disposition. A second Adam, he has experienced his fall.