“Evil... is by definition a monster. It has a strange coercive force: a temptation, a mystery, a horrible allure” (Morrow 49). These words, written by Lance Morrow in a 1991 essay, could be written about Shakespeare's Macbeth. Evil is a conscious rejection of morality that causes pain to others. Evil is the force that drives Macbeth and Lady Macbeth to plot murder; that drives Lady Macbeth to her death; who convinces Macbeth to commit further atrocities. Insanity is an obsession with an idea or event and related, abnormal behavior. Madness evolves from evil, and evil is all-pervading. The evil in Macbeth initially comes from the three strange sisters and their message: “'Hail all, Macbeth! hail to you, lord of Glamis!” / "Hail, Macbeth, hail to you, lord of Cawdor!" / 'Hello all, Macbeth, henceforth thou shalt be king'” (I. iii. 48-50)! The sisters serve Hecate, the goddess of dark magic. There is no obvious reason, only the harmful act. Their message is initially rejected by Macbeth, but he is tempted by the idea of ​​power and after being declared lord of Cawdor, becomes susceptible to their insidious ideas. “Why do I yield to that suggestion / whose hideous image melts my hair / … against the use of nature” (I. iii. 48-50)? Macbeth writes to his wife and when he receives the letter, he begins the plot to kill the king of Scotland, Duncan. «Come, spirits... / undress me here... / and fill me... / with the most cruelty» (I. v. 135-137)! Lady Macbeth becomes obsessed with the plot and begins to descend into madness as she contemplates murder. When he informs Macbeth of his decision, his loyalty to Duncan will not allow him to act on Lady Macbeth's wishes, but his madness tempts and fascinates him... middle of paper... evolves from evil, and evil it can grow uncontrolled into madness. Macbeth and Lady Macbeth are tempted and fascinated by the driving forces of evil. Their ambition and desire for power drives them to their evil deeds and their actions drive them to madness. From this madness, evil becomes stronger, the madness in their minds justifies the actions of evil. Ultimately, it is this cycle of evil and madness that leads to Macbeth's death, as he believes himself to be invincible, only to be killed by Macduff in battle. Once unleashed, evil grows and begins a dance with madness. Evil fuels madness, and madness justifies evil, operating in an eternally repetitive cycle, a continuous sequence, into which human beings must not venture too deeply, lest they be carried away by the horrible allure of temptation.Works CitedMacbeth by William Shakespeare Evil by Lance Morrow