Like every tragic hero in literature, Macbeth suffered from a tragic flaw, or a hamartia. In his case, his flaw was his ambition, combined with a want for power. Macbeth himself recognises this ambition in act I, scene 7 where he states"I have no spur to prick the sides of my intent but only vaulting ambition". This comment means that he knows that the only thing that prompts his actions is his ambition. While ambition alone is not a bad trait, when added with a want for power, this ambition can become dangerous. Did having these qualities mean that Macbeth was corrupt? No, they meant that he, like all human beings, had a flaw and a weakness. Indeed, at the start of the play, Macbeth was seen as the hero, being described as "brave Macbeth" in act I, scene II, and shown as a loyal and brave soldier on the battle field. He is also frequently referred to as valiant by Duncan throughout the first act. That ambition always resided within him but did not cause a problem until the prophecy was made by the witches in act I.
It was essentially the moment that the witches first cast the prophecy over Macbeth that sealed his fate forever. Without the witches foretelling his rise to power as Thane of Cawdor and as the future king of Scotland, the idea would never have crossed his mind. He was a modest character, grateful of his position in life. However, once the witches planted the seeds