One of the major types of fears in Shakespeare's Macbeth was based on morals. Throughout this tragedy, Macbeth, the main character, is in conflict with his knowledge of good and evil. Therefore, his personal battle deals with his emotions. By doing many evil deeds, Macbeth compromised his morals to become king. Macbeth's fear on his moral is shown when the conflict on whether he should kill King Duncan was arousing inside of him. Macbeth's doubt in killing King Duncan is decided for him when he sees the bloody dagger in front of him.
Is this a dagger which I see before me, The handle toward my hand? Come, let me clutch thee: I have thee not, and yet I see thee still. Art thou not, fatal vision, sensible To feeling as to sight? Or art thou but a dagger of the mind, a false creation.
(Act 2, Scene I, Line 33~38)
The dagger of his mind convinces Macbeth to slay King Duncan. The above quote makes the move urging Macbeth to kill the king. Macbeth makes his decision to kill King Duncan; "I go, and it is done; the bell invites me hear it not, Duncan; for it is a knell that summons thee to heaven, or to hell." (Act 2, Scene I, Line 62~64) Macbeth quoting to himself right before entering King's door. This is also visible when Macbeth becomes fearful, for he knows that King Duncan has been good to him by honouring him with the title of Thane of Cawdor, and showing the appreciation toward Macbeth. His fear comes from his consciousness of knowing right from wrong; He also