he willed that the hearts of Men should seek beyond the world and should find no rest therein; but they should have a virtue to shape their life, amid the powers and chances of the world, beyond the Music of the Ainur, which is as fate to all things else; and of their operation everything should be, in form and deed, completed, and the world fulfilled unto the last and smallest. But Iluvatar knew that Men, being set amid the turmoils of the powers of the world, would stray often, and would not use their gifts in harmony; and he said, 'These too in their time shall find that all that they do redounds at the end only to the glory of my work.