The three strange sisters begin the tragedy with their famous lines: “All hail, Macbeth! Hello, Thane of Glamis! “Hello everyone, Macbeth!” Hello, Thane of Cawdor! “Hail, Macbeth, who henceforth shall be king” (Act I, scene iii), but they never really do anything wrong. They make witchy prophecies and Macbeth's inevitable human ways begin to show. Macbeth never had to kill or hatch evil plans, if he truly believed that the witches had correctly prophesied his future; all he would have to do is sit back and wait for the prophecy to come true. Human greed is the main cause of betrayal and evil