growing guilt and unease he feels about murdering King Duncan His mind is tormented On one side he has the greed and ambition to become the King On the other hand he is struggling to make up his mind to murder King Duncan So the dagger represents Macbeth's guilty conscience Besides the dagger also foreshadows King Duncan's coming death even though the murder has yet to be committed Madness and Cycle of Violence Macbeth s hallucination of the dagger reveals that he is falling into madness Despite his doubts Macbeth follows the hallucination He fulfils his plan to kill Duncan Hence the dagger scene becomes the turning point from which Macbeth cannot return A cycle of violence begins Macbeth commits one murder after another to protect his throne In short the dagger scene is very significant in this play The dagger stands for Macbeth s ambition guilt and his doubts The dagger also foreshadows King Duncan s murder This scene shows how Macbeth is slowly falling into madness nbsp