The word "holy" gets bandied about often in contemporary culture. Unfortunately, the flippant use of this modifier fails to appreciate the proper use of the expression. Only the true, living God, and by extension those people and things He hallows are holy. Martin Luther grasped this principle astutely. In this lesson, Dr. Sproul expounds on Luther's inability to reconcile his guilt with the holiness of God through the Roman church's traditions and practices.