“When Manwë heard of the ways that Melkor had taken, it seemed plain to him that he purposed to escape to his old strongholds in the north of Middle-earth; and Oromë and Tulkas went with all speed northward, seeking to overtake him if they might, but they found no trace or rumour of him beyond the shores of the Teleri …” (The Silmarillion Chapter 8 — Of the Darkening of Valinor) [More]