In Macbeth, how does Macbeth betray himself?

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teachertaylor eNotes educator| Certified Educator

In Macbeth, Macbeth betrays himself when he allows his sense of greed and ambition to take over his morals and better judgement.  For example, when he and his wife are plotting to murder King Duncan, Macbeth says that he does not really want to murder the king because Duncan is a good man and has been a fair leader for the people in Scotland.  But Macbeth betrays his own better judgement to ensure that the witches' prophecy comes true for him.  Later in the play, after Macbeth has committed many murders, his men leave his side to join Malcolm and the English army.  Macbeth realizes that his men are leaving, and he knows that he will die a lonely death, but he still will not admit his wrong doings.  Macbeth resolves to continue to fight to the end and thus betrays his own sense of integrity.