How is evil expred in the play Macbeth

How is evil explored in the Play Macbeth. A dark night and a dark place are both symbolic of diablerie in the play Macbeth. Authors use these symbols to describe an evil character or setting. William Shakespeare employs the imagery of darkness in Act 4 and Act 1 of his play Macbeth to describe the agents of disorder and evil, the witches, Macbeth, and Scotland are all described as dark because they represent the evil. The witches …

…Later on in the play, Act 5 scene 1 Lady Macbeth does go mad with guilt. “Here the smell of blood still; all the perfumes of Arabia will not sweeten this hand.” This is an interesting contrast with Lady Macbeth saying only a little water will clear her of her deed. This is also an example of dramatic irony. The other contras in the play also come under the headings natural, being good; and unnatural being evil.