Dimmesdale, conscious that the poison of one morbid spot was infecting his heart’s entire substance, attributed all his presentiments to no other cause. 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.