1/25/26

Gospel-centered holiness, Jesus elevates repentance (Luke 15:7)

We've been talking about The Right Way to Return to God The Doctrine of Repentance in BSF, Zechariah 1:1-6. Through Zechariah, God urges repentance, contrasting past refusal with His faithful, pursuing word. Repentance receives God as the authority over our lives. 

Gospel-centered holiness, and the “older will serve the younger” pattern fulfilled in the Spirit-led Christian life. My former life will serve my new life in Christ. I was reviewing The angry, stay at home brother of the prodigal (Luke 15) and wanted to rework these ideas in a clearer way. The big take away:

Angry son (Luke 15:25–32). The one “lost in the house.” The Father pleads, “Son, you are always with me” (15:31). He is lost not because of rebellion but because of self-righteousness. Jesus never leaves the ninety-nine to chase this brother. The proud must repent just as the prodigal did. They must “come in” to the celebration.

The Angry, Stay-at-Home Brother of the Prodigal
Luke 15:25–32 reveals the heart of the older brother. He is dutiful but distant. He never left home, but he never loved the father. He obeyed externally, but he never understood grace. His complaint is clear in Luke 15:29. “Look, these many years I have served you… yet you never gave me…” The language sounds like an employee. Not a beloved son.

This shows the core warning of the parable. You can be close to the things of God and far from the heart of God (Isaiah 29:13). The older brother is proof that religion can harden instead of humble. Jesus aims this warning at the Pharisees in Luke 15:2. They grumble that He welcomes sinners. Their attitude is the older brother’s posture in real time.

The Point of Luke 15: God Loves People. People Easily Miss What Love Looks Like
Luke 15 begins with “tax collectors and sinners drawing near to hear Him” (15:1). Jesus attracted the broken because His holiness was not separation from people. It was separation from sin with compassion toward sinners. Holiness in Scripture means belonging to God for His purposes (Leviticus 20:26; John 17:17–18). Jesus shows that belonging to God means joining Him in seeking the lost.

Luke 19:10 summarizes His mission. “The Son of Man came to seek and to save the lost.” Luke 5:31–32 adds, “Those who are well have no need of a physician… I came to call sinners to repentance.” The three parables in Luke 15 expose the Father’s heart: rescue, rejoicing, restoration.

Sharing the Gospel is what we are set apart for.
Jesus prays in John 17:18, “As You sent Me into the world, I have sent them into the world.” The Church is set apart for mission, not isolation. First Peter 2:9 says we are a chosen people so that we “may proclaim the excellencies of Him who called us out of darkness.” Holiness is not withdrawal. It is union with Christ that produces love for the lost.

Being right with God brings passion for helping the lost. Romans 5:5 says God’s love is “poured into our hearts through the Holy Spirit.” When the Spirit fills us, we move toward people, not away from them. Paul describes this heart in Romans 9:1–3, willing to suffer if it meant the salvation of others.

Lost Sheep, Lost Coin, Lost Son, Angry Brother
These four portraits reveal the Trinity’s involvement in salvation and expose the dangers of religious pride.

Lost sheep (Luke 15:3–7). The Shepherd—Jesus—goes, seeks, finds, carries, and rejoices. Heaven rejoices over one sinner who repents.

Lost coin (Luke 15:8–10). The woman—symbolic of the Spirit’s work—searches carefully until the treasure is recovered. Heaven rejoices again over repentance.

Lost son (Luke 15:11–24). The Father runs, embraces, restores, clothes, and celebrates. The sinner “came to his senses” (15:17). Repentance is returning home to the Father’s love.

Angry son (Luke 15:25–32). The one “lost in the house.” The Father pleads, “Son, you are always with me” (15:31). He is lost not because of rebellion but because of self-righteousness. Jesus never leaves the ninety-nine to chase this brother. The proud must repent just as the prodigal did. They must “come in” to the celebration.

Religion Focus vs. Jesus Focus
The parable draws a contrast between two spiritual postures.

Gospel-centered (living and sharing).
A Gospel-centered life imitates Jesus. He moves toward sinners (Luke 15:1), tells the truth compassionately (John 8:11), rejoices when the lost return (Luke 15:7, 10, 24), and gives His life to save (Mark 10:45). Gospel focus produces love (1 Corinthians 13) and mission (Matthew 28:18–20).

Longevity trap: “long time, not love.”
The older brother says, “These many years I have served you…” (Luke 15:29). Length of religious activity is not love. Revelation 2:2–4 warns the same danger: faithful activity without first love.

Works trap: “I’ve served… You owe me.”
The older brother believes his labor creates leverage. This mirrors the Pharisee in Luke 18:9–14 who trusts his works and despises others. Romans 4:4–5 corrects this: salvation is grace, not wages. God is a Father (Romans 8:15–17), not an employer.

Gracelessness: “God loves people who stay more than people who stray.”
The Pharisees elevate moral performance. Jesus elevates repentance (Luke 15:7). Romans 3:23–24 levels the ground. All have sinned. All are justified freely by grace. Grace kills pedestals.

How to Respond to the World
Luke 15 aligns with the New Testament’s broad teaching on engagement.

  • Pray. 1 Timothy 2:1–4 calls believers to pray for everyone so that the Gospel may spread.
  • Humble. Micah 6:8. God requires justice, mercy, and humble walking.
  • Solution. Titus 3:1–2. Be ready for every good work.
  • Peacemakers. Matthew 5:9. Sons of God bring reconciliation.
  • Gospel. Romans 1:16. The Gospel is the power of God for salvation.
  • God’s Word. 2 Timothy 3:16–17. Scripture equips us for every good work.
  • Conversations. Colossians 4:5–6. Speak with grace, seasoned with salt.
  • Do good. Galatians 6:10. Do good to everyone, especially the household of faith.
  • Love deeply. 1 Peter 4:8. Love covers a multitude of sins.
  • Centered on Jesus. Hebrews 12:2. Fix eyes on Jesus.

Cornerstone Joins Together. Holiness Extends Grace Abundantly
Ephesians 2:20–22 says Christ is the Cornerstone who joins Jews and Gentiles, saints and sinners, into one dwelling for God’s Spirit. True holiness makes us ambassadors (2 Corinthians 5:18–20). Holiness does not pull away from broken people. It brings Christ’s presence into their lives.

The Older Will Serve the Younger: Spirit over Flesh
This pattern runs through Scripture. Isaac over Ishmael (Genesis 17:18–21). Jacob over Esau (Genesis 25:23). Ephraim over Manasseh (Genesis 48:17–20). The New Testament reveals the principle: the old nature must yield to the new.

  • Romans 6:6 says the “old self” was crucified.
  • Ephesians 4:22–24 calls believers to “put off the old” and “put on the new.”
  • Colossians 3:10 says the new self “is being renewed… in the image of its Creator.”
  • Galatians 5:16–25 contrasts the flesh and the Spirit. Those led by the Spirit bear fruit.

The body and soul—our natural desires—must become servants of the Spirit within us. Romans 8:12–14 says those who live by the Spirit put to death the deeds of the body. This is the life of holiness.

Romans 12:1–21 shows the bond of love. Offer your bodies as living sacrifices. Be transformed by renewing of the mind. Love without hypocrisy. Bless those who persecute. Overcome evil with good. This is holiness lived in mission.

Application: Three Steps to Victory
These principles align naturally with Scripture.

  1. Stop believing lies. John 8:44 says Satan is the father of lies. Second Corinthians 10:5 commands believers to take every thought captive to Christ.
  2. Stay in the Word. Psalm 119:105 says God’s Word is a lamp to our feet. John 17:17 says truth sanctifies.
  3. Start going to church. Hebrews 10:24–25 commands believers to not neglect gathering because mutual encouragement strengthens perseverance.

The spiritual logic is consistent with Luke 15. The wayward brother believed lies about the world. The stay-at-home brother believed lies about God. The Father’s voice—revealed through His Word and His people—corrects both.

When the Spirit renews the heart, love grows, mission expands, humility deepens, and the Father’s house becomes a place of celebration.

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