Is Macbeth mad

Macbeth is mad. This is shown by the fact that he is imagining a dagger that is not there. Is this a dagger which I before me / The handle toward my hand? Come let me clutch thee: / I have thee not , and yet see thee still. (2.1.33-35). Macbeth is talking about the dagger that he is going to kill king Duncan with. Macbeth can see the dagger even though he does not have it with him. Macbeth's senses are starting to deceive him. mine eyes are made the o'th'other senses / Or else worth all the rest. I see thee still (2.1.44-45). Macbeth' eyes are starting deceive him while all his other senses are working. Macbeth is mad because he is imaging a dagger that is not there, and his eyes are deceiving him.