Saruman believes that it is only great power that can hold evil in check. But that is not what I have found. I’ve found it is the small things, everyday deeds of ordinary folk that keeps the darkness at bay. Simple acts of kindness and love. Why Bilbo Baggins? Perhaps it is because I am afraid, and he gives me courage.
But he came at last to a glade open to the stars, and there Melian stood; and out of the darkness he looked at her, and the light of Aman wa in her face. She spoke no word; but being filled with love Elwe came to her and took her hand, and straightway a spell was laid on him, so that they stood thus while long years were measured by the wheeling stars above them; and the trees of Nan Elmoth grew tall and dark before they spoke any word. (The Silmarillion: Of Thingol and Melian)