Essay on Macbeth and Lady Macbeth are Not Evil
his son, Malcolm, as his successor, Macbeth realises that, if he is to be king, then he must kill Duncan: "The Prince of Cumberland! That is a step on which I must fall down, or else o'erleap for in my way it lies. Stars hide your fires, let not light see my black and deep desires." (I.iv.49-52).
When Lady Macbeth reads in her husband's letter of the witches' prediction, she, too, realises that Duncan must be killed for it to come true. She thinks that Macbeth deserves to be great, and should murder