Is the devil a real person or a mythological personification of evil? Unfortunately, many people have no biblical idea of who and what the devil really is. Is he everywhere? Does he know everything? How much power does he have? These are just a few of the questions Dr. Sproul considers in this message, as he looks to Scripture for the truth about the person, nature, and powers of the devil, and how Christians ought to live in a world with “The Adversary.”