Banquo was a brave and noble general and at that time was a great friend of Macbeth. Like Macbeth, Banquo thinks of things in an ambitious way however he does not at all show the ambitious thoughts in his actions. In a sense, Banquo’s character stands as rebuke to Macbeth, in a way that shows the path Macbeth chose not to take, a path in which ambition need not lead to betrayal and murder. Banquo is often seen in contrast to Macbeth. Banquo is the only one with Macbeth when he hears the first prophecy from the witches that his children will one day succeed to the throne of Scotland. While being Macbeth’s prophecy was that one day he shall be named Thane of Cawdor, Thane of Glamis, and King of Scotland
In Act 3 Scene1 an example of a soliloquy would be when Banquo speaks to Macbeth in his mind even though Macbeth isn 't there quoting, "Thou hast it now king, Cawdor, Glamis, all, As the weird women promised, and, I fear, Thou play 'dst most foully for 't, he then remembers the prophecy in which the witches had told him, He, not Macbeth, would be the father of the future kings of Scotland. He asks Macbeth why he shouldn 't think that the witches will be "my oracles as well, and set me up in hope?" Here Banquo speaks to Macbeth; the speech has a personal tone, as though Banquo is asking Macbeth if he actually believes the prophecy.
Betrayal plays an important part of the play because it shows the changes of emotions in the characters and also shows how the change in power occurs. Banquo himself is slightly disturbed by the Three Witches predictions because he is afraid that it shall lead him into betraying the king. In Act 2 scene 1, Banquo makes it clear that he has no interest in betraying King Duncan, and it’s almost