I am in this earthly world, where to do harm / Is often laudable; to do good sometime / Accounted dangerous folly
Act IV, Scene 2 · Lady Macduff
Context
After a messenger warns her to flee and then leaves, Lady Macduff reflects on why she initially protested her innocence, recognizing that innocence offers no protection in the current political climate.
Analysis
Lady Macduff inverts the moral universe with perfect clarity: "to do harm / Is often laudable; to do good sometime / Accounted dangerous folly." The judicial language—"laudable," "accounted"—suggests an official system of judgment, but one where every value has been reversed. She sees through her own earlier claim of innocence, realizing that moral categories no longer function when the state rewards evil.
Essay Tip
Use this to argue that Lady Macduff, not Malcolm or Macduff, offers the play's clearest diagnosis of tyranny—she recognizes that Macbeth has not just committed crimes but inverted the entire moral order, making virtue itself dangerous.