It is said that ambition is the key to success. In the case of Shakespeare's
"Macbeth", it is the key to his downfall. He is presented with the ambition by
the supernatural power of the witches. Lady Macbeth, his wife, then pushes the
ambition. After the murdering of Duncan, Macbeth has gained enough ambition
himself to cause his own destruction. We can see a clear building of desire
throughout the play.
Macbeth is first introduced to the limits of his power and his ambitions by the
witches, who greet him with three titles: Thane of Glamis, which Macbeth is
fully aware of; Thane of Cawdor, which is true at this point, but which
Macbeth has not been told of; and King, which has not yet become true. The
witches are the ones who plant the actual idea of killing Duncan into Macbeth's
mind. It must first be understood that in the Elizabethan Age, the witches
would have been taken very seriously, and that witchcraft was a part of their
culture. King James even wrote a book on the subject. Shakespeare foreshadows
Macbeth's corruption through his meeting with these three witches. (I,iii).
His thoughts are compared to Banquo's, whose morality, it seems, will not let
himself turn to evil. Banquo is skeptical of the witches, and tries to warn his
friend, who seems to accept what they say. Without this supernatural prophesy,
the thought of killing the king would have never crossed Macbeth's mind. The
thought is then reinforced when Macbeth learns that he is Thane of Cawdor, as
the witches foretold (I,iii).
Now that Macbeth has the thought of becoming king inside of him, his is still
not capable of killing Duncan. His morality keeps him from performing any such
task. He is also fully aware of...