Read it through once

Only his daughter had the power of charming this black brooding from his mind. She was the golden thread that united him to a Past beyond his misery, and to a Present beyond his misery: and the sound of her voice, the light of her face, the touch of her hand, had a strong beneficial influence with him almost always. Not absolutely always, for she could recall some occasions on which her power had failed; but they were few and slight, and she believed them over.