Impregnable I held myself, secure Against intrusion. Who can measure Man? How should I guess his mortal will outran Defeat so far that danger could allure For its own sake?—that he would all endure, All sacrifice, all suffer, rather than Forego the daring dreams Olympian That prophesy to him of victory sure? Ah, tameless Courage!—dominating power That, all attempting, in a d**hless hour Made earth-born Titans godlike, in revolt!— Fear is the fire that melts Icarian wings: Who fears nor Fate, nor Time, nor what Time brings, May drive Apollo's steeds, or wield the thunderbolt!