“Lord, I believe! Help my unbelief!” the father in Mark 9:14-29 confessed to Jesus. That confession should also be on our lips every day of our lives as baptized children of God—we should confess our sinfulness, and we should confess our faith. But confession is not something we are able to do on our own, without the Lord first giving us His Holy Spirit. The Word of God is the only thing that can enable us to confess our sin or faith. His Word of Law reveals our sin and unbelief, and His Gospel delivers forgiveness of sins, which creates ...