Book II: Chapter 5 The Practical Conclusion Summary and Analysis

After estabishing Christ as God, Lewis takes the idea to the next level by describing how Christians become a literal part of God by becoming a part of Christ, or in another sense, by Christ becoming a part of Christians. Yet humans are still humans and therefore imperfect. Christians still make human mistakes and go against the Law of Nature; however, as a physical body heals after injury, the spirit of a Christian heals after sinning because Christ enables the healing. Lewis brings forth the idea that only Christians can do this healing because only Christ can enable it.

In regard to the physical trappings of Christianity—the use of bread and wine, the Mass, baptism by water—Lewis explains the physical world is not against God. God created...