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 iluvatar 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 .