In Macbeth, is the appearance of the dagger in Act 2 scene 1 a supernatural phenomenon like the witches, or is it a product of imagination?
Good question, revealing a basic difference. This is Macbeth’s delusion, “A dagger of the mind, a false creation,/Proceeding from the heat-oppressed brain”; that is, the “heat-oppressed brain” (fevered brain) plus the night’s drinking, have given Macbeth a bloody pre-impression of the deed he has promised Lady Macbeth to commit this night, driven by the equivocation of the witches , to be sure, but a psychological...
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