Macbeth is a complex study of evil and its corrupting influence on humanity. Some critics argue that Shakespeare adapted historical accounts of Macbeth to illustrate his larger view of evil's operation in the world. The particular evil that the protagonist commits has wide-spread consequences, causing a series of further evils. As a result, the tragedy is not fully resolved through the fallen hero's death, but through the forces of good that ultimately correct all the evil Macbeth has unleashed. The witches, through their ambiguous prophecies, rep. resent a supernatural power that introduces evi into Macbeth. Their equivocations-the intention al stating of haIf-truths-conceal the sinister na   ture of their predictions, and Macbeth does not cOnsider the possibility that they are trying to deceiVe him. In fact, the Weird Sisters' attempts at misinformation succeed not only because they favorably interpret the hero's future, but also because their revelations...