The level of freedom Macbeth has in deciding his fate is accentuated by the prophecy that portends its existence. The ambiguous nature of the prophecy;
All hail, Macbeth! . Thane of Glamis!
. Thane of Cawdor!
. That shalt be King hereafter!' (1.3.47-50)
- allows it to be fulfilled in any number of ways, as it does not include the manner in which it comes about. Indeed, the witches neither force nor even suggest to Macbeth that he should murder Duncan and even he considers that
If chance will have me King, why,
Chance may crown me,
Without my stir.' (1.3.43-44)
Therefore his decision to catch the nearest way' to the prophecies completion is one made entirely on his own as far as fate is concerned. This decision is one that effectively leads to his downfall, whereas had the prophecy been completed in a different manner the aspects of fate dependent on Macbeth's action in killing Duncan