Pentecost

Acts opens by tying itself deliberately to what came before it: 'In my first book, O Theophilus, I wrote about all that Jesus began to do and to teach' (1:1). Luke's Gospel and Acts are two volumes of one continuous work, addressed to the same patron, and Acts is not a new story so much as the same story continuing past the point where the Gospel stopped.

The risen Jesus spends forty days appearing to the apostles, 'spoke about the kingdom of God' (1:3), and commands them to wait in Jerusalem for 'the gift the Father promised', which he glosses as a baptism in the Holy Spirit, contrasted with John's baptism in water (1:4-5). Their question in response, 'Lord, will You at this time restore the kingdom to Israel?' (1:6), shows they are still thinking in terms of national and political restoration. Jesus does not correct the category itself; he redirects the timing question and widens the scope far past it: 'you will be My witnesses in Jerusalem, and in all Judea and Samaria, and to the ends of the earth' (1:8). That verse functions as a table of contents for the entire book, tracing exactly the geography the narrative will move through over the following twenty-eight chapters.

The ascension itself is told with real restraint. Jesus is taken up, a cloud hides him from their sight, and two men dressed in white appear and ask a pointed question, 'Men of Galilee, why do you stand here looking into the sky?', before promising that the same Jesus will return in the same way he was taken up (1:9-11). Luke shows almost no interest in the mechanics of the departure and a great deal of interest in the promise attached to it. The disciples are given somewhere to stand, not a spectacle to keep staring at.

What follows the ascension is not a burst of activity but a wait, and the church's first recorded corporate act in the book is prayer, together with the women, Mary the mother of Jesus, and his brothers (1:14). That last detail is worth pausing on: earlier in the story his brothers did not believe in him (John 7:5), and here they are gathered with the apostles in prayer, which is itself a small, undramatised sign of how far the story has already moved before Acts proper begins.

Peter's first recorded speech in Acts (1:15-22) addresses a gap rather than a triumph: Judas is dead, and the group of twelve, itself already loaded with symbolic weight as a reconstitution of Israel's twelve tribes, is short one member. Peter grounds the need for a replacement in scripture, citing two psalms, 'May his place be deserted; let there be no one to dwell in it' and 'May another take his position' (1:20, quoting Psalm 69:25 and Psalm 109:8).

The account of Judas's death here differs in its details from the account in Matthew 27:3-10, which has him hanging himself; Acts 1:18 describes a violent death connected to the field he purchased with his ill-gotten reward. Both accounts agree the field came to be called Akeldama, the Field of Blood, and both connect it to Judas's betrayal money, but harmonising the exact manner of death across the two texts is genuinely difficult, and commentators differ on whether the accounts are complementary reports of one event seen from different angles or simply two separate traditions that were never reconciled. It is honest to say the tension is real rather than to force the two into a single smooth narrative.

The qualification set for Judas's replacement is specific and consequential: the man must have accompanied the apostles the whole time Jesus was among them, from John's baptism to the ascension, so that he can serve, alongside the others, as a witness to the resurrection (1:21-22). That standard ties apostleship tightly to firsthand, continuous companionship with the earthly Jesus, which is precisely why Paul, decades later, has to defend his own claim to apostleship on different grounds, appealing instead to a direct resurrection appearance to him as 'one of untimely birth' (1 Corinthians 15:8).

Two candidates meet the standard, Joseph called Barsabbas and Matthias, and the group casts lots after prayer, and 'the lot fell to Matthias. So he was added to the eleven apostles' (1:26). Some readers treat this as the last recorded instance in the New Testament of guidance sought by lot, arguing that from Pentecost onward the church is led by the Spirit's direct prompting rather than by this older method; others note that the text neither praises nor criticises the method, and simply reports an unremarkable continuation of an established Old Testament practice (compare Proverbs 16:33). The text itself does not settle which reading is right, and it is worth saying so rather than picking one silently.

On the day of Pentecost the believers are together in one place when a sound like a mighty rushing wind fills the house, and tongues like flames of fire separate and come to rest on each of them, and they begin to speak in other tongues as the Spirit enables them (2:1-4). The list of nations that follows, from Parthians and Medes and Elamites through to visitors from Rome, Cretans and Arabs (2:9-11), is deliberately extensive, and the crowd's own reaction, bewilderment that each is hearing in his own language, does the theological work before Peter's sermon begins. The response is divided: some are astounded and perplexed, and others mock, saying, 'They are drunk on new wine!' (2:13).

Peter's sermon answers that mockery directly, noting it is only nine in the morning (2:15), and then reaches not for an argument from experience but for scripture. He quotes Joel 2:28-32 at length: 'In the last days, God says, I will pour out My Spirit on all people. Your sons and daughters will prophesy, your young men will see visions, your old men will dream dreams' (2:17). What the crowd is watching, on Peter's reading, is not a strange new religious excitement but the specific, named event a prophet had promised.

From Joel, Peter moves to Jesus: his works, his death 'delivered up by God's set plan and foreknowledge', put to death by the hands of the lawless (2:23), and his resurrection, argued from Psalm 16 ('You will not abandon my soul to Hades', as Acts 2:27 puts it) and Psalm 110 ('The Lord said to my Lord', 2:34). The sermon reaches its point in 2:36: 'Therefore let all Israel know with certainty that God has made this Jesus, whom you crucified, both Lord and Christ!'

The response is immediate and physical: the hearers are 'cut to the heart' and ask, 'Brothers, what shall we do?' (2:37). Peter's answer, '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' (2:38), is followed by roughly three thousand baptisms in a single day (2:41), and the chapter closes with the new community's first description: devoted to the apostles' teaching, to fellowship, to the breaking of bread, and to prayer (2:42), a pattern the next lesson picks up and develops.

The word Luke uses for what happens at Pentecost is glossa, tongue, and the same Greek word appears in 1 Corinthians 12 to 14 for a spiritual gift Paul has to regulate in Corinth's worship. Since both texts use the same word, it is a fair and important question whether they describe the same phenomenon, and honest teaching says plainly that this is a genuinely disputed point rather than a settled one.

What Acts 2 itself states is specific: the crowd hears the disciples speaking in real, existing human languages, recognised as their own native tongues, without any interpreter mentioned or needed (2:6, 2:8, 2:11). What 1 Corinthians states about the gift Paul addresses is, on its face, different in kind: 'he who speaks in a tongue does not speak to men, but to God. Indeed, no one understands him; he utters mysteries in the Spirit' (1 Corinthians 14:2), a gift Paul says should not be exercised in the assembly at all without an interpreter present (14:27-28), and which he distinguishes sharply from prophecy as a sign 'not for believers, but for unbelievers' (14:22).

One position, associated with much of the Pentecostal and charismatic tradition and defended carefully by scholars such as Gordon Fee, holds that this is one gift with a flexible range of expression: a Spirit-given capacity for speech beyond the speaker's own learning, manifested publicly as known foreign languages for the sign-purpose Acts 2 describes, and manifested in Corinth's worship as a private prayer language addressed to God that requires interpretation for the assembly's benefit. On this view Acts 2 and 1 Corinthians describe the same underlying gift operating for different purposes in different settings.

A second position, held broadly across cessationist and many dispensational readings, treats Acts 2 as a unique, unrepeatable sign event marking a reversal of Babel's confusion of languages and the inclusion of every nation at the gospel's launch, and treats 1 Corinthians 14 as addressing a different phenomenon, an ecstatic, non-human speech that Paul himself may be gesturing toward when he writes of speaking 'in the tongues of men and of angels' (1 Corinthians 13:1), a phrase read on this view as pointing beyond ordinary known languages altogether. The claim that the two texts describe distinguishable phenomena is not confined to cessationists, though: D. A. Carson, who himself holds a continuationist position and believes tongues continue today, argues carefully in Showing the Spirit that Acts 2 and 1 Corinthians 14 may still not be the identical experience, which shows that this particular textual question and the wider cessationist-continuationist argument are not the same question. On this view, whoever holds it, the shared Greek word covers two distinguishable experiences.

What is settled: the text of Acts 2 itself describes known human languages understood without an interpreter, and the text of 1 Corinthians 14 itself describes speech that by default is not understood and requires interpretation. What is not settled: whether those two descriptions name one gift under two purposes or two related but distinct phenomena, and how a modern congregation should therefore understand and regulate tongues in its own worship. A reader should be able to state Acts 2's own claim precisely without that settling the wider argument either way.