Read it through once

Mr. Wopsle struck in upon that; as one who knew all about relationships, having professional occasion to bear in mind what female relations a man might not marry; and expounded the ties between me and Joe. Having his hand in, Mr. Wopsle finished off with a most terrifically snarling passage from Richard the Third, and seemed to think he had done quite enough to account for it when he added, “—as the poet says.”