In the play Othello, Iago deceives Othello into believing his wife has been unfaithful. Othello becomes enraged and kills both his wife and himself.
In The Catcher in the Rye, Holden Caulfield espouses many ideas about society and individuals throughout the book. Although readers can see that these ideas are objectively wrong, they can also recognize that they come from Caulfield’s naivete. Because Holden genuinely believes the claims he’s making, he’s making them in good faith.