this element in the legend remained , however , and is fully present in the silmarillion ( p. 175 ) , though since my father did not actually say there that sauron told huan and luthien what the words were , but only that he 'yielded himself ' , one may miss the significance of what happened : and she said : 'there everlastingly thy naked self shall endure the torment of his scorn , pierced by his eyes , unless thou yield to me the mastery of thy tower . '