Most people think the devil is just a fictional character who carries a pitchfork, has a couple horns, a long tail, and is fire engine red. When it comes down to it, people do not confess to believing in a very present and active enemy of our souls. The funny thing is, Jesus and his disciples warn the early church about this individual in very frightening and realistic terms. Peter warns, "Be sober-minded; be watchful. Your adversary the devil prowls around like a roaring lion, seeking someone to devour. Resist him, firm in your faith…" (1 Pet. 5:8-9a). Is this person known as Satan or the devil really after us today? Paul warns the Christians at Corinth about not being outwitted by Satan, saying, "for we are not ignorant of his designs" (2 Cor. 2:11b). Is this character we call the devil really designing and scheming things against us? Paul calls the church at Ephesus to be spiritually armed and ready for, "the flaming darts of the evil one" (Eph. 6:1...