Macbeth: Good and Evil In One Human Heart In Macbeth, Shakespeare was exploring the great capacity for both good and evil that exist in one human heart. He demonstrates an epitome of this through the main character of the play, Macbeth. Although in the beginning, Macbeth only displays the good within his heart but as plot thickens, the evil which it contains begins to show. Macbeth falls from grace to sheer misery which shows the true tragedy in its nature. Macbeth in the beginning is the man of valour, honour, and nobility. Macbeth, on the outside, seems to be the fairest man in all Scotland. Whe