Macbeth: Uncontrolled Ambition Brings About The Downfall of Macbeth and Lady Macbeth. The play Macbeth can give many different views of itself. The one that I mainly see is ambition. The ambitions that Macbeth has are not bad but the way that he wants to get them are. Lady Macbeth helps him along the way. At the start of the play when Macbeth and Banquo meet the 3 witches is when him ambitions are repeated to him: "All hail Macbeth! Hail to thee thane of Glamis!" "All hail Macbeth! Hail to thee thane of Cawdor!" "All hail Macbeth! That shalt be king hereaf