Shakespeare's play, Macbeth is a play with many gruesome murders associated primarily with Macbeth. Macbeth is never forced to commit any of the tragic crimes, but are predicated on greed and freewill. Macbeth does not start off this way though; he starts as a brave noble, and trustworthy war hero but greed for power would change him. Macbeth has encouragement from Lady Macbeth and prophecies from the witches, but Macbeth himself chooses evil over good.

The witches' prophecies affect Macbeth's decisions the most because of the witches' supernatural powers. They continuously predict the future for Macbeth but do not clearly map the process in which to achieve the end result. The witches tell Macbeth, "fair is foul, foul is fair" (1.1.11), which alters his mind in a way in which he looks at things differently. The witches chant "all hail MacBeth that shalt be king" (1.3.50) empowering Macbeth to believe...