macbeth

As the play moves forward, Banquo becomes increasingly critical of his friend Macbeth. At first he tells Macbeth that the witches will betray him. By act 3 sc 1, Banquo fully condemns Macbeth for the King's death,

Thou hast it now: king, Cawdor, Glamis, all,. As the weird women promised, and I fear. Thou played'st most foully for 't.