In all my life I have met only one person who claims to have seen a ghost. In this text, C.S. Lewis argues that a Christian must not only accept but also rejoice in miracles as testimony of God's personal involvement in ...In all my life I have met only one person who claims to have seen a ghost. In this text, C.S. Lewis argues that a Christian must not only accept but also rejoice in miracles as testimony of God's personal involvement in His creation. Challenging rationalists, agnostics, and deists on their own grounds, Lewis provides a robust defense of the supernatural and its place in a reasoned faith.