How ambition is a main theme in macbeth and how it ultimately destroyed him.

Ambition is the Undoing
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 hereafter.
These three prophecies, made from three old witches, interject that MacBeth will be thane of Glamis (which he is), thane of Cawdor and the King hereafter.
When Ross and Angus bring him news that confirmed the second prophecy that MacBeth has been made thane of Cawdor, he is amazed that the witches spoke the truth and he immediately thinks of the third prophecy- himself becoming king and contemplates the possibilit…