§ Of the Coming of the Elves and the Captivity of Melkor The Silmarillion

Thus it was that when Nahar neighed and Oromë indeed came among them, some of the Quendi hid themselves, and some fled and were lost. But those that had courage, and stayed, perceived swiftly that the Great Rider was no shape out of darkness; for the light of Aman was in his face, and all the noblest of the Elves were drawn towards it.