The Scarlet Letter by Nathaniel Hawthorne Chapter 11 Page 5

He took himself to task for his bad sympathies in reference to Roger Chillingworth, disregarded the lesson that he should have drawn from them, and did his best to root them out. Unable to accomplish this, he nevertheless, as a matter of principle, continued his habits of social familiarity with the old man, and thus gave him constant opportunities for perfecting the purpose to which — poor forlorn creature that he was, and more wretched than his victim — the avenger had devoted himself.

While thus suffering under bodily disease, and gnawed and tortured by some black trouble of the soul, and given over to the machinations of his deadliest enemy, the Reverend Mr. Dimmesdale had achieved a brilliant popularity in his sacred office. He won it indeed, in great part, by his sorrows.