But Sauron was not of mortal flesh, and though he was robbed now of that shape in which had wrought so great an evil, so that he could never again appear fair to the eyes of Men, yet his spirit arose out of the deep and passed as a shadow and a black wind over the sea, and came back to Middle-earth and to Mordor that was his home. There he took up again his great Ring in Barad-dur, and dwelt there, dark and silent, until he wrought himself a new guise, an image of malice and hatred made visible; and the Eye of Sauron the Terrible few could endure.
J. R. R. TolkienAnd what do you wish?' he said at last. 'That what should be shall be,' she answered.
J. R. R. TolkienSupernatural is a dangerous and difficult word in any of its senses, looser or stricter. But to fairies it can hardly be applied, unless super is taken merely as a superlative prefix. For it is man who is, in contrast to fairies, supernatural; whereas they are natural, far more natural than he. Such is their doom.
J. R. R. Tolkien