Ironically,Duncanunintentionally describes the future Macbeth while he is characterizing the traitor Macdonwald.
In the first scene, audiences hear about the bloody conflict that resulted from the rebellion led by the Thane of Cawdor. What changes happenwithin his mind? Hereveals to the audience that heintends to become king indeed Shakespeare Act I, Scene 3, l.
William Shakespeare features ambition as a leading theme in several of his works of Renaissance Drama. Other interpretationsdraw him as a victim, torn between the question of what is right and what is wrong and influenced by the evil that surrounds him.
It was his evil conscience that made him start.
Their joint alienation from the world, occasioned by their partnership in crime, seems to strengthen the attachment that they feel to each another.