The snake has long been used as a symbol of sly subtlety. A serpent's presence has been characterized by cunning cynicism dating as far back as biblical times, when the snake persuaded Eve to eat the forbidden fruit of Eden's garden. Even the phrase "snake in the grass" expresses hidden threat. Shakespeare uses this treacherous reptile in Macbeth to convey the same evil. In his poetic prose, Shakespeare may not speak of a character's malevolence …showed first 75 words of 834 total…

…showed last 75 words of 834 total…a thousand words, consider the importance of an image upon a play as short as Macbeth. Shakespeare colorizes his play with contrasting dark images of snakes. They are placed evenly throughout the play, serving various purposes. The four examples of serpentine imagery in Macbeth illustrate the theme of appearance versus reality, foreshadow coming events, and set the tone of passages, all the while maintaining the deceptive finesse that characterizes the snake in all literary works.