He had also--you might read it in his face--a quality equally rare, faithfulness.

Not merely sincerity, but faithfulness; the power of conceiving one clear purpose, or one strong love--in unity of strength--and of not only keeping true to it at the time, but of holding fast to it with a single-minded persistency that never even takes in the idea of voluntary change, as long as persistency is right or possible.
"Robert, Robert!" sobbed this forlorn girl, as if slowly waking up to a sense of her forlorness, and of the almost universal fickleness, not actual falseness, but fickleness, which prevails in the world and among mankind.

"O Robert, be faithful! faithful to yourself--faithful to me!".