§ Of the Silmarils and the Unrest of the Noldor The Silmarillion

When he saw that many leaned towards him, Melkor would often walk among them, and amid his fair words others were woven, so subtly that many who heard them believed in recollection that they arose from their own thought. Visions he would conjure in their hearts of the mighty realms that they could have ruled at their own will, in power and freedom in the East; and then whispers went abroad that the Valar had brought the Eldar to Aman because of their jealousy, fearing that the beauty of the Quendi and the makers' power that Ilúvatar had bequeathed to them would grow too great for the Valar to govern, as the Elves waxed and spread over the wide lands of the world.