Meaning of "repent" in Acts 2:38?
What does Acts 2:38 mean by "repent" in the context of salvation?

Passage Text

“Peter replied, ‘Repent and be baptized, every one of you, in the name of Jesus Christ for the forgiveness of your sins, and you will receive the gift of the Holy Spirit.’” (Acts 2:38)


Immediate Historical Context

Pentecost, A.D. 33. Peter has just declared that Jesus, crucified seven weeks earlier, is risen and exalted (Acts 2:24–36). Thousands of devout Jews are “cut to the heart” (v. 37) and ask what they must do. Verse 38 is Peter’s Spirit-inspired answer, framed for people steeped in Old Testament covenant thought yet confronted with the risen Messiah.


The Greek Term “Metanoēsate” (Repent)

“Repent” translates μετανοήσατε (metanoēsate), 2nd-person plural aorist imperative of μετανοέω, Strong’s G3340. Rooted in μετά (“after, with”) and νοέω (“to think, perceive”), it denotes a decisive, once-for-all change of mind that issues in a turning of the whole person—intellect, emotion, and will—from sin toward God. It is not mere remorse (μεταμέλομαι) but redirection. The aorist imperative stresses urgency and completeness: do it now, do it thoroughly.


Repentance and Faith: Two Sides of One Coin

In Acts faith is implicit in repentance. Peter shortly summarizes salvation as “believe in the Lord Jesus, and you will be saved” (Acts 16:31). Scripture never divorces the two; genuine μετανοία necessarily includes entrusting oneself to Christ (cf. Mark 1:15; John 3:16). Thus Acts 2:38 uses the command “repent” as the umbrella under which faith operates.


Old Testament Roots of New Testament Repentance

Hebrew שׁוּב (shuv, “turn, return”) dominates prophetic calls: “Turn to Me and be saved” (Isaiah 45:22). Ezekiel emphasizes heart-level transformation (Ezekiel 18:30–32, 36:26–27). Peter’s Jewish audience would hear μετανοέω as the consummation of that shuv—now defined by allegiance to the Messiah they crucified (Acts 2:36).


Repentance in the Preaching of John, Jesus, and Peter

John the Baptist: “Repent, for the kingdom of heaven is at hand” (Matthew 3:2). Jesus: identical wording (Matthew 4:17). Peter: continuity—“Repent…so that times of refreshing may come from the presence of the Lord” (Acts 3:19). Same kingdom, now inaugurated through resurrection power.


Repentance as a Change of Mind, Heart, and Direction

1. Intellectual: agreement with God’s verdict on sin (Romans 3:23).

2. Emotional: godly sorrow (2 Corinthians 7:9–10).

3. Volitional: decisive turning, evident in works consistent with repentance (Acts 26:20; Luke 3:8). All three facets appear when 3,000 accept Peter’s message and submit to baptism (Acts 2:41).


Repentance and Baptism: Distinct Yet Inseparable Signs

Peter lists two commands: repent (inner), be baptized (outer). Baptism publiclyidentifies the penitent with the crucified-and-risen Christ (Romans 6:3–4). In Greek, the plural pronoun after “repent” governs “each of you be baptized,” showing baptism follows personal repentance, not vice-versa. The sequence matches every conversion narrative in Acts (8:12–13, 36–38; 10:44–48; 16:32–33).


“For the Forgiveness of Sins”: Causal or Resultant?

The preposition εἰς (“for”) can mean “because of” or “in order to obtain.” Context decides. Luke previously used the same construction for John’s baptism “for the forgiveness of sins” (Luke 3:3) where repentance preceded baptism. Grammatically, forgiveness is applied at repentance; baptism testifies to it. Parallel texts corroborate: “everyone who believes in Him receives forgiveness of sins” (Acts 10:43). Thus εἰς functions as “with a view to / on the basis of.”


Receiving the Gift of the Holy Spirit

The promise (Joel 2:28–32, quoted Acts 2:17–21) is realized when repentant believers are indwelt and empowered (Acts 2:4, 33). The Spirit seals salvation (Ephesians 1:13) and enables sanctification (Galatians 5:16–25). Receipt is simultaneous with genuine faith-repentance (Romans 8:9).


The Red Thread: Repentance through the Biblical Narrative

Genesis: Noah “found favor” and turned from a corrupt world (Genesis 6:9).

Kings: Nineveh repents at Jonah’s preaching (Jonah 3:5–10).

Gospels: Zacchaeus demonstrates repentance by restitution (Luke 19:8–9).

Acts: Saul’s about-face on Damascus Road (Acts 9:1–18).

Revelation: churches urged to repent (Revelation 2–3). One continuous call culminating at Pentecost.


Common Misunderstandings Answered

1. “Repentance = works.” Scripture distinguishes works done to earn salvation (Titus 3:5) from the inward change God grants (Acts 11:18).

2. “Baptism regenerates.” Regeneration precedes the sign (Acts 10:44–48).

3. “Repentance is optional.” Jesus: “unless you repent, you too will all perish” (Luke 13:3).

4. “Repentance is perpetual penance.” Greek aorist counters this; ongoing confession flows from a once-for-all turning (1 John 1:9).


Archaeological and Manuscript Corroboration

• Earliest Acts papyri (P^45, c. AD 200) contain Acts 2, mirroring today’s text—evidence of transmission fidelity.

• Dead Sea Scrolls affirm Joel and Isaiah prophecies Peter cites, predating Christ by two centuries.

• Ossuary of Caiaphas (discovered 1990) aligns with gospel accounts, situating Acts within verifiable history. These findings buttress the credibility of Peter’s declaration and the call to repent.


Application for the Modern Reader

Repentance remains the gateway to salvation. It is not cultural assent, political activism, or self-help. It is confronting personal rebellion against the Creator, abandoning self-rule, entrusting oneself to the risen Christ, and publicly confessing Him in baptism. The promise of forgiveness and the Holy Spirit stands unchanged.


Summary

In Acts 2:38 “repent” means a decisive, faith-filled turning from sin to Jesus Christ, grounded in Old Testament prophecy, proclaimed by apostolic authority, and validated by the indwelling Spirit. It is the God-ordained response that brings forgiveness, initiates new life, and sets the believer on a path of lifelong transformation and God-glorifying obedience.

What does 'forgiveness of your sins' in Acts 2:38 mean for personal salvation?
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