The muddy road image gives plain sight to what sin does. Mud sticks, spreads, tracks through the house, and leaves marks on people. Sin works like that same stinking mess. Sin gets on the whole person, takes over the members of the body, and hurts neighbors in real ways. Paul names that condition as bondage, not just bad habits or a rough patch. Sin is the old master, and mankind cannot climb out of that rut by self discipline, meditation, medication, or any other scheme.
Christ has freed the baptized from that old rut. Baptism joins the believer to Jesus’ death and resurrection, so that sin is drowned in the watery grave and forgiveness is given through the precious innocent blood of Christ. Christ claims the believer as his own and becomes the loving and gracious master in place of sin. Paul therefore calls the body itself into view, because salvation is not a vague spiritual idea floating somewhere above daily life. The hands, feet, mind, tongue, and even the less presentable parts belong now to God as instruments of righteousness.
When sin is master, the body serves death. Hands steal, hurt, and harm. Feet carry a person where a person ought not go. The mind schemes against the neighbor. The tongue slanders, degrades, and wastes speech. Unchastity turns the body against God’s good creation of male and female. Sin’s wages are death, not only eternal condemnation, but temporal ruin also. Sin kills relationships, damages trust, destroys property, harms reputations, neglects needs, and leaves wreckage in this world like muddy tracks through a clean house.
The free gift of God is eternal life in Christ Jesus, the Lord. That gift means forgiveness now, reconciliation with the Father, and resurrection of the body on the last day. That same gift also gives life to the body now. The Holy Spirit enlivens hands for generosity, feet for worship, minds for good and rejoicing in the neighbor, and tongues for praise, song, and gospel good news. Good works do not earn the gift, but the gift makes good works alive. Through those works, the Spirit brings life into marriages, friendships, congregations, homes, and neighborhoods.
The road goes ever on, and the ruts of sin still remain along the way. Jesus Christ, by his gracious Spirit, keeps God’s people on the path of righteousness that leads to life eternal.
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