Introduction to Acts 2:38
Acts 2:38 records Peter's answer to the most important question ever asked: 'What shall we do?' On the day of Pentecost, after Peter's powerful sermon declaring that the crucified Jesus was Lord and Messiah, the crowd was 'pricked in their heart' (2:37) — convicted of sin and desperate for a response.
Peter's answer is direct and comprehensive: repent, be baptized, and receive the Holy Spirit. These three elements — turning from sin, public identification with Christ, and empowerment by the Spirit — form the pattern for entering the Christian life that the early church followed consistently.
Historical and Cultural Context
Pentecost was one of three major Jewish festivals requiring pilgrimage to Jerusalem. Jews from across the Roman Empire had gathered for the celebration. When the Holy Spirit fell on the apostles with wind and fire, and they began speaking in languages they had never learned, the crowd was amazed and confused.
Peter seized the moment, preaching a sermon that explained the events through Old Testament prophecy and concluded with the stunning declaration: 'God hath made that same Jesus, whom ye have crucified, both Lord and Christ' (2:36). The same man they had killed seven weeks earlier was God's Messiah.
The audience's response — 'What shall we do?' — reveals genuine conviction. They had participated in (or at least consented to) the crucifixion of the Messiah. Their guilt was enormous, and Peter's answer met them with grace: there was a way forward. Repentance and baptism would bring forgiveness and the gift of the Spirit.
Original Language Insights
'Repent' (metanoesate) — from metanoia, meaning a complete change of mind and direction. It involves recognizing sin, grieving over it, and turning decisively away from it. This is the foundational response to the gospel.
'Be baptized' (baptistheto) — immersion in water as a public declaration of identification with Christ. In the first century, baptism was a dramatic act — it publicly associated you with Christ and often resulted in social and family rejection.
'For the remission of sins' (eis aphesin ton hamartion) — the preposition eis can mean 'for the purpose of' or 'because of.' Forgiveness is the result of repentance and faith; baptism is the public expression of that inner change.
'Gift of the Holy Ghost' (dorean tou hagiou pneumatos) — dorean means a free gift. The Holy Spirit is not earned by repentance or baptism but freely given by God to all who come to Christ. This gift empowers believers for witness, service, and godly living.
Theological Significance
Acts 2:38 establishes the normative pattern for Christian conversion: repentance (turning from sin), baptism (public identification with Christ), and reception of the Holy Spirit (empowerment for Christian living).
Repentance addresses the human side — our response to the gospel. Baptism addresses the communal side — our public identification with Christ and His people. The Holy Spirit addresses the divine side — God's gift that enables what human effort cannot.
The promise of the Holy Spirit is particularly significant. The same Spirit who empowered Jesus' ministry, raised Him from the dead, and fell on the apostles at Pentecost is given to every believer. Christianity is not a self-help program but a Spirit-empowered life.
This verse also demonstrates the inclusivity of the gospel. Peter says 'every one of you' — the invitation is universal. The same crowd that crucified Jesus is offered forgiveness. If they can be forgiven, anyone can.
Practical Application for Today
For those who have never responded to the gospel, this verse provides clear direction: repent (turn from sin and toward God), be baptized (publicly identify with Christ), and receive the Holy Spirit (accept God's empowering gift).
For believers, this verse reminds us that the Christian life begins with radical change. Repentance is not a one-time event but a lifestyle — continually turning from sin and toward God. Baptism may happen once, but the death-to-self-and-resurrection-to-new-life it symbolizes is a daily reality.
The promise of the Holy Spirit is for every believer — not just apostles or super-saints. If you have repented and trusted Christ, the Spirit dwells in you, empowering you for witness, service, and transformation.
For the church, this verse establishes the priorities of evangelism and discipleship. The church's primary message is the same as Peter's: repent, believe, be baptized, and receive the Spirit. Programs and methods may change, but the message remains.