Why Shakespeare's Macbeth Should Not Kill Duncan

Based on Aristotelian appeals, Macbeth has the most convincing argument on why he should not kill Duncan. Macbeth uses one of his appeals of logic by saying, “Commends th’ ingredience of our poisoned chalice”(1.7.11). If Macbeth were to kill the king, in theory, he would be killing himself. He would be doing this by either being imprisoned if he were caught or being taunted by his own feelings and peers. In addition, Macbeth also uses an ethical appeal through, “As his host, who should against his murder shut the door, not bear the knife myself”(1.7.14-16). It wouldn’t be ethical to kill his guests at his party. It would also not give Macbeth a good representation of Macbeth’s character to his neighbors, if he killed his guests. Lastly, Macbeth