Even the most noblest man's heart and mind can become corrupted. Macbeth is shown to be a noble and honest man in this play, but like any other man, something can corrupt the mind, and in this play, that is greed. The three witches in this play are the ones that get the little fire in Macbeth going. When Macbeth runs into the witches, they start the idea of him becoming the next king. He somewhat believes them because they told him "Hail to thee, thane of Cawdor" , which indeed he did become (1, 3, 50). So when plans take a path that didn't led to him becoming king, he began to think why he wasn't good enough to become king. Seeing Malcolm become king didn't go so well with Macbeth and this is were just a little more corruption adds on. After all of this, he talks to himself about murdering King Duncan to make himself king. He is on the border of committing the murder and just dealing with the fact that Malcolm was going to be king. He knew it was a treason to do it, and that "We still have judgment here, that we but teach bloody instructions, which being taught, return to plague th" inventor: this even-handed justice commends the ingredients of our poisoned chalice", so he would just be a hypocrite in the end (1, 7, 8-11). At this point he is not so sure about going through with it. When Lady Macbeth returns from the dinner she tells him that the plan will work. Macbeth is not…