In the play Macbeth by William Shakespeare, the three witches who open the play introduce one of the major themes in the play - appearances are deceiving - by stating “fair is foul and foul is fair” (I.i.12). In I.v., Lady Macbeth and Macbeth are planning the murder of King Duncan so that Macbeth can ascend to the throne. Macbeth is concerned about getting caught, but Lady Macbeth instructs him to “look like th’innocent flower, but be the serpent under’t” (I.v.64-). She tells him to act like any good host to deceive the guests in order to plot and commit the murder without suspicion. Later in I.vii., Macbeth leaves the state dinner due to the grim nature of what he is about to do. After being reassured by his wife, the Thane of Glams thinks
