MacBeth tells Banquo that he had not been thinking of the witches after Banquo says he, himself, has. Banquo is thinking about the predictions and MacBeth becoming Thane of Cawdor fulfilling one of the prophesies. This occurs after MacBeth is set on killing Duncan, the king. He is trying to hide his guilt even before he is truly guilty.
It depends on whether you think the ghost is real or not. If it is real, it is not about Macbeth's mind, but about Banquo's spirit seeking justice, or alternatively keeping his promise to "fail not our feast". But if you think that the ghost is imaginary, a false creation of Macbeth's heat-oppressed brain, then it tends to show the guilt which is eating away at his sanity, and prompting him to become obsessive about his safety.
When first faced with the idea of murder, Macbeth backs down from it. Lady Macbeth knew he would (Too full of the milk of human kindness") and so she questions his manhood until he gives in and "Does the deed." By the time Banquo's murder comes around, he is unhappy, paranoid, and most likely suffering from Post-Traumatic-Stress-Disorder. He is convinced that Banquo and Fleance must die, despite the fact that Banquo has been his best friend for a long time.
According to another note on the same subject here on Wikianswers, (Why does Macbeth see Banquo's ghost?) it was believed at the time the play was written that a murderer could see the ghost of his victim. However in Macbeth it's open to interpretation- is there really a ghost there, or is it a figment of his imagination brought on by a guilty conscience?
the significance of macbeth seeing the dagger is that he is looking into his conscience and he is already feeling guilty of killing duncan
MacBeth tells Banquo that he had not been thinking of the witches after Banquo says he, himself, has. Banquo is thinking about the predictions and MacBeth becoming Thane of Cawdor fulfilling one of the prophesies. This occurs after MacBeth is set on killing Duncan, the king. He is trying to hide his guilt even before he is truly guilty.
It reveals that Macbeth is guilty about killing Banquo Because he says :"avaunt and quit my sight! Let the earth hide thee!"
He is already guilty enough from killing Duncan and doesn't want to have more guilt by killing his friend Banquo. he think that the murderers would tell others that macbeth is the one who kill people
at the banquet, Macbeth sees(maybe hallucinates) a ghost of Banquo, sitting in his place. Macbeth gets freaked out when he sees Banquo because all the people he ordered dead (including Banquo) makes Macbeth feel guilty.
He feels guilty abouthaving Banquo killled- apex
Banquo has children who might inherit the crown whereas "Upon my head they placed a fruitless crown" by which he means the witches have predicted that Macbeth will be the king but will not have children to inherit. ("Fruitless crown" always makes me think of Carmen Miranda for some reason.)
Macbeth wants Banquo dead because Banquo witnessed what the three witches said. The three witches stated that Macbeth would one day become king. Now that Macbeth has become king, and done so by taking the life of the previous King Duncan, he fears that Banquo will spread the word that Macbeth was the one to commit the murder.
It depends on whether you think the ghost is real or not. If it is real, it is not about Macbeth's mind, but about Banquo's spirit seeking justice, or alternatively keeping his promise to "fail not our feast". But if you think that the ghost is imaginary, a false creation of Macbeth's heat-oppressed brain, then it tends to show the guilt which is eating away at his sanity, and prompting him to become obsessive about his safety.
When first faced with the idea of murder, Macbeth backs down from it. Lady Macbeth knew he would (Too full of the milk of human kindness") and so she questions his manhood until he gives in and "Does the deed." By the time Banquo's murder comes around, he is unhappy, paranoid, and most likely suffering from Post-Traumatic-Stress-Disorder. He is convinced that Banquo and Fleance must die, despite the fact that Banquo has been his best friend for a long time.
He is totally guilty. You might say that Lady Macbeth is guilty for conning him into it, or the witches are guilty for making the prophecy that starts the Macbeths thinking about becoming king and queen, but Macbeth must take responsibility in the end for going along with the murder plan, even if it made no sense, and he knew it made no sense, to do so.
According to another note on the same subject here on Wikianswers, (Why does Macbeth see Banquo's ghost?) it was believed at the time the play was written that a murderer could see the ghost of his victim. However in Macbeth it's open to interpretation- is there really a ghost there, or is it a figment of his imagination brought on by a guilty conscience?
the significance of macbeth seeing the dagger is that he is looking into his conscience and he is already feeling guilty of killing duncan