Link Luke 17:3 & Matt 18:15 on sin.
How does Luke 17:3 connect with Matthew 18:15 on addressing sin?

Understanding Luke 17:3

“Watch yourselves. If your brother sins, rebuke him; and if he repents, forgive him.”

• A single-sentence command that blends confrontation and compassion.

• “Watch yourselves” guards the heart against pride or hypocrisy (cf. 1 Corinthians 10:12).

• “Rebuke” calls for a clear, verbal correction rooted in love (Proverbs 27:5-6).

• Immediate willingness to forgive reflects God’s own mercy (Ephesians 4:32).


Understanding Matthew 18:15

“If your brother sins against you, go and confront him privately. If he listens to you, you have won your brother over.”

• The process begins one-on-one, protecting the offender’s dignity (Proverbs 25:9).

• The aim is restoration—“won your brother over,” not winning an argument.

• Verses 16-17 show escalation only if repentance is refused.


How the Two Passages Interlock

• Same audience: fellow believers (“brother”).

• Same action: personal, direct confrontation.

• Same goal: repentance leading to restored fellowship.

• Luke emphasizes forgiveness after repentance; Matthew spells out the procedural steps if repentance is delayed.

• Together they give a full picture: first address the sin privately (Matthew 18:15) with a heart ready to forgive when repentance comes (Luke 17:3).


Key Principles for Addressing Sin

1. Self-examination precedes confrontation (Luke 17:3; Galatians 6:1).

2. Speak to the offender, not about the offender (Matthew 18:15; Proverbs 10:12).

3. Rebuke is an act of love, not hostility (Leviticus 19:17-18).

4. Forgiveness is offered as soon as repentance is expressed (Luke 17:3; Colossians 3:13).

5. When repentance is absent, further witnesses or church involvement may become necessary (Matthew 18:16-17).


Practical Steps for Today

• Pray for humility, clarity, and genuine love.

• Set a private time to talk; avoid public exposure.

• State the observed sin factually, without exaggeration.

• Listen for signs of repentance; affirm forgiveness immediately.

• If resistance persists, follow the wider church process outlined in Matthew 18:16-17.

• Maintain a forgiving posture, even while seeking justice and truth.


Scriptures That Reinforce the Pattern

Galatians 6:1—“restore him gently.”

James 5:19-20—turning a sinner “covers a multitude of sins.”

Proverbs 12:18—“the tongue of the wise brings healing.”

2 Thessalonians 3:15—“do not regard him as an enemy, but warn him as a brother.”

Luke 17:3 and Matthew 18:15 dovetail seamlessly: both mandate loving confrontation with the hopeful expectation of repentance and the assurance of forgiveness, safeguarding the unity and purity of Christ’s body.

What steps should we take to 'rebuke' a sinning brother, per Luke 17:3?
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