The Christian who is substantially walking in light is practically invulnerable to the assaults of darkness as Jesus intimates in the parable of the empty house (Mt. 12:43-45). This is beautifully expressed in John Bunyan’s image of the powers of darkness as lions chained on a short tether on either side of the road to the Celestial City. These lions can maul travelers who wander from the middle of the path but cannot touch those who walk precisely in the center. This metaphor emphasizes that Christian warfare is not a conflict in which the sides are in any way equivalent,
