Put Off the Old Self and Walk as Children of Light

After describing the church’s growth into Christ in 4:1–16, Paul turns to the life that accords with that calling. He speaks especially to Gentile believers about the former walk from which Christ has delivered them: futile thinking, darkened understanding, alienation from God, hardness of heart, and a surrender to greed and impurity. The language is morally serious, but Paul does not leave readers with a catalog of failure. He says they have “learned Christ,” heard Him, and been taught in Him.

The command to put off the old self and put on the new self is then worked out in ordinary embodied practices. Falsehood gives way to truth among members of one body; stealing gives way to useful labor and sharing; corrupt speech gives way to words that build up; bitterness gives way to kindness and forgiveness. The passage’s horizon is a community whose everyday habits fit the new humanity created in God’s likeness.

The “walk” language that frames this section refers to a whole way of life, not a literal image the reader is meant to see. Paul contrasts the previous pattern of life with a life formed by truth in Jesus. The new self is created according to God’s likeness in righteousness and holiness, recalling humanity’s creation vocation while locating renewal in Christ. This is neither moral minimalism nor an instruction to make oneself new by willpower; believers put on what God has created through their union with Christ.

The lists in 4:25–5:21 are closely connected rather than detached sayings. Speech can grieve the Holy Spirit who seals believers for redemption. Sexual impurity, greed, obscenity, and crude joking contradict the inheritance of God’s kingdom and can deceive a community with empty words. Light, goodness, righteousness, truth, wisdom, song, thanksgiving, and submission describe a corporate life made visible by the Spirit. Paul’s reference to drunkenness names a rival controlling influence; being filled with the Spirit produces worship and mutual service.

In 4:17–24, Paul describes the old pattern as alienated from God through ignorance and hardness, but he counters it with instruction “in Jesus.” The old self belongs to deceitful desires and is being corrupted; the mind must be renewed; the new self has been created according to God’s likeness in true righteousness and holiness. Christian ethics begin with an identity received from God and then engage the mind, desires, and body.

Verses 25–32 press that identity into shared speech and work. Anger must not be allowed to remain until it creates an opening for the devil. Former thieves must labor so they can share with those in need. Speech must be assessed by whether it builds up and gives grace to hearers. The climax is forgiving one another “as God in Christ has forgiven you.” That comparison binds the community’s difficult forgiveness to a definite gift already received in Christ.

In 5:1–21, believers imitate God as beloved children by walking in love, following Christ’s self-giving offering and sacrifice. Paul then names sexual immorality, impurity, greed, and speech that celebrates shame as practices incompatible with thanksgiving and kingdom inheritance. Since they are now light in the Lord, believers expose fruitless works of darkness and discern what pleases Him. Wisdom includes making the most of the time, understanding the Lord’s will, refusing drunkenness, and being filled with the Spirit in psalms, hymns, songs, thanksgiving, and submission to one another out of reverence for Christ.

Paul’s call to “walk in love” has a definite measure: Christ loved us and gave Himself up for us as an offering and sacrifice to God. This is not a generic appeal to be nice. The cross discloses the love believers are called to embody, and it supplies the forgiveness that makes new community life possible. God in Christ has forgiven them; therefore resentment and vengeance cannot be treated as normal fixtures of the body Christ redeemed.

Jesus also defines the truth into which believers have been taught. To learn Christ is to receive a new identity that reaches mind, speech, sexuality, work, worship, and relationships. The new self is not an independent moral project. It is God’s creation in righteousness and holiness, and the Spirit’s filling directs the church toward reverence for Christ. His saving mission frees people from old patterns that destroy communion and forms a people whose life bears witness to His costly love.

Take Paul’s replacements seriously. Do not merely condemn a recurring pattern; name the truthful practice that must take its place. If anger has lasted into the next day, seek reconciliation. If speech has harmed, confess it and speak a word that builds the injured person. If a private habit feeds impurity or greed, bring it into the light with a trusted mature believer and replace its secrecy with a concrete practice of truth and thanksgiving.

The final picture is a gathered, Spirit-filled people: singing, giving thanks, and yielding to one another because they revere Christ. Enter worship ready to receive and strengthen the body, not only to consume it. Ask the Spirit to make one decision this week wiser in its use of time, more grateful in its tone, and more shaped by the Lord’s self-giving love.