In Macbeth, William Shakespeare uses the motif insanity to communicate the central message of being consumed by power leads to vicious doings. Insanity is presented in Macbeth when he kills Duncan and then reacts to this based on “What's happening to me, that I'm frightened of every noise? Whose hands are these? Ha. They're plucking out my eyes. Rather than have to think about my crime. I’d prefer to be completely unconscious” (ll.ii.75). This is an example of Macbeth panicking after murdering Duncan because he realizes his action and starts to hallucinate. With the witches and his wife's sway of the idea of becoming king, Macbeth loses it and acts upon the potential of the title. After the murder of Duncan he had begun to do vicious things