Why do we need the law if salvation is by grace alone? Dr. Sinclair B. Ferguson answers this important question and explains its relevance today by revisiting the Marrow Controversy--an eighteenth-century debate over the relationship between Gods grace and our works. Dr. Ferguson explains that the solution to both legalism and lawlessness is the gospel of Jesus Christ.Study Guide Features:Lesson ObjectivesMessage OutlineStudy QuestionsDiscussion QuestionsSuitable for individual or group study.