The motifs of lightness and darkness foreshadow life and death which combined, embody one's existence on earth. Shakespeare uses both artificial and natural light to convey life. For instance, as lady Macbeth slowly goes crazy the nurse tells the doctor “Why, it stood by her. She has light by her/ continually. 'Tis her command” (Shakespeare. 5.1.163). Lady Macbeth requests to keep this light next to her at all times because in a way the light is her life and once it goes out her life is over. It is a desperate act on her behalf to keep the good by her side at all times because the darkness waits. This foreshadows Lady Macbeth alleged suicide which occurs later on in the story. Macbeth decides to go against the prophecy and he reveals his true
