Act 4: Macbeth's Uncertain Future

     In Act 4 Scene 1, the readers see that Macbeth is feeling very uncertain about his future standing as king and wants reassurance that everything will be okay. To get his reassurance he goes to visit the three witches to demand his future. He is told three warnings regarding his position of king. He is warned about Macduff, is told that no man born of woman can hurt him, and that no harm will come to him until Birnam Wood moves to Dunsinane Hill. After hearing the news he becomes confident about not being able to be defeated.