Acts 18:18-28 - Priscilla, Aquila, and Apollos

Acts 18:18-28 is a quiet but important hinge in Acts. Paul leaves Corinth and moves through Ephesus, Caesarea, Antioch, Galatia, and Phrygia, strengthening the disciples while the mission turns toward Ephesus. Priscilla and Aquila remain there, and Apollos arrives with gifts Luke honors and a formation that still needs to grow. The passage teaches that gifts become fruitful when they are joined to humility, fuller instruction, and the Church’s careful formation.

Vow, Ephesus, and Strengthening the Disciples (Acts 18:18-23)

¹⁸ So Paul still remained a good while. Then he took leave of the brethren and sailed for Syria, and Priscilla and Aquila were with him. He had his hair cut off at Cenchrea, for he had taken a vow. ¹⁹ And he came to Ephesus, and left them there; but he himself entered the synagogue and reasoned with the Jews. ²⁰ When they asked him to stay a longer time with them, he did not consent, ²¹ but took leave of them, saying, “I must by all means keep this coming feast in Jerusalem; but I will return again to you, God willing.” And he sailed from Ephesus.

²² And when he had landed at Caesarea, and gone up and greeted the church, he went down to Antioch. ²³ After he had spent some time there, he departed and went over the region of Galatia and Phrygia in order, strengthening all the disciples.

Paul does not leave Corinth in panic. He remains there a good while after Gallio’s tribunal, then takes leave of the brethren. That phrase matters. The church in Corinth is not only a mission field now; it is a community of brothers and sisters from whom Paul can depart in peace.

Luke then gives a detail that can feel strange to modern readers: Paul had his hair cut at Cenchrea because he had taken a vow. Acts does not explain the vow’s exact nature or mechanics, and we should not force what Luke leaves brief. Yet the vow and Paul’s stated intention to go to Jerusalem show that his Gentile mission is not presented as contempt for Jewish conscience or inherited practice. The apostle acts with reverence, conscience, worship, and prayer; freedom in Christ does not become contempt for the people among whom the promise was first heard.

Priscilla and Aquila travel with him to Ephesus. Paul enters the synagogue and reasons with the Jews, and this time the response is unusually open: they ask him to stay longer. He cannot remain, but he leaves with a promise, “I will return again to you, God willing.” The phrase is not a pious decoration. It names Paul’s posture. Plans are real. Promises are careful. The servant moves, but the Lord governs the movement. The servant is responsible for obedience, not mastery over outcomes.

The travel sequence is compressed: Ephesus, Caesarea, Jerusalem implied by “gone up,” Antioch, then Galatia and Phrygia. Luke does not linger on scenery. He tells us the burden: Paul strengthens all the disciples. The same apostle who preaches in new cities returns to confirm those already gathered. Mission in Acts is not only expansion. It is strengthening, returning, teaching, stabilizing, and caring for the churches already born.

Gems from the Fathers 💎: The vow and teachers left at Ephesus

St. John Chrysostom notices both the vow’s relation to Jewish conscience and the teaching entrusted to Priscilla and Aquila. Having learned beside Paul, they are now left where their learning can serve others. He says Paul leaves them at Ephesus so “that they should teach.”¹ The missionary’s departure does not leave an empty place: other servants have been prepared to care for those who remain.

Apollos and the Way of God More Accurately (Acts 18:24-28)

²⁴ Now a certain Jew named Apollos, born at Alexandria, an eloquent man and mighty in the Scriptures, came to Ephesus. ²⁵ This man had been instructed in the way of the Lord; and being fervent in spirit, he spoke and taught accurately the things of the Lord, though he knew only the baptism of John. ²⁶ So he began to speak boldly in the synagogue. When Aquila and Priscilla heard him, they took him aside and explained to him the way of God more accurately. ²⁷ And when he desired to cross to Achaia, the brethren wrote, exhorting the disciples to receive him; and when he arrived, he greatly helped those who had believed through grace; ²⁸ for he vigorously refuted the Jews publicly, showing from the Scriptures that Jesus is the Christ.

Luke praises Apollos before he names what is lacking. He is Jewish, Alexandrian, eloquent, and mighty in the Scriptures. He has been instructed in the way of the Lord. He is fervent in spirit. He speaks and teaches accurately. He speaks boldly in the synagogue. These are not small gifts.

But he knows only the baptism of John. That does not make him an enemy. It means his formation is incomplete. The Church does not crush him for this. Aquila and Priscilla hear him, take him aside, and explain the way of God more accurately. Their correction is private, careful, and ecclesial. They do not embarrass him in the synagogue. They do not despise his zeal. They do not flatter his gifts while leaving him incomplete. They love him enough to teach him.

Apollos’ story continues from their instruction to fruitful service in Achaia. Luke records no quarrel over rank: a gifted, eloquent, Scripture-saturated man is helped by a husband and wife. We are not told his private feelings, but the sequence lets us see the beauty of learning that serves others. A teacher’s gifts need not be denied for his knowledge to grow.

Then the brethren write to the disciples in Achaia, encouraging them to receive him. Apollos does not simply appoint himself. His gift is commended by the Church, and when he arrives, he greatly helps those who have believed through grace. His public refutation is not a display of aggression. Luke says he shows from the Scriptures that Jesus is the Christ. The argument is not against a people as a people. Apollos himself is Jewish. The issue is the Scriptural confession that Israel’s Messiah is Jesus.

Luke’s words “accurately” and “more accurately” belong together. Priscilla and Aquila do not need to declare everything Apollos has taught worthless before helping him understand more. Nor does his genuine knowledge make further instruction unnecessary. Truth already received can become the doorway to truth not yet understood. The honor given to both teachers and learner protects correction from becoming a contest for importance.

This passage prepares for the disciples at Ephesus in Acts 19, who also know only John’s baptism. But Luke does not tell us the full content of Apollos’ further instruction or describe his baptism. We should not give him the precise ignorance later reported of those disciples. Here Luke’s emphasis is on fuller teaching, the brethren’s welcome, and the help Apollos brings to people whose faith rests on grace. Instruction serves that grace; it does not replace it with admiration for a speaker.

Gems from the Fathers 💎: Strength that receives instruction

Chrysostom reads the meeting as providential and notices the absence of envy when Apollos is taught and commended to another church. His short observation keeps attention on the learner’s part: “Aquila teaches, or rather this man lets himself be taught.”² The public voice that will help many has first made room for another person’s instruction.

The Church’s Voice in Worship ⛪

At the Theophany Liturgy the Praxis is Acts 18:24-19:6, joining Apollos’ fuller instruction to the Ephesian disciples’ baptism and reception of the Holy Spirit.³ Heard at the feast of the Lord’s baptism, this sequence invites us to receive Christian formation as more than information about sacred events. The One to whom John pointed draws people into His own life. This is a spiritual reading of the appointment, not a claim that Luke records every detail of Apollos’ sacramental reception.

Spiritual Fruit 🍇

1. Put plans beneath prayer. When a commitment, travel plan, or ministry task begins to feel like something you must control, say “God willing” truthfully: make the needed preparation, then entrust the result to Christ rather than demanding that tomorrow obey your schedule.

2. Accept strengthening work as holy work. Returning to one discouraged person, preparing a careful lesson, or following up after a hard conversation may look less impressive than starting something new. Paul calls it strengthening disciples. Offer Christ the unnoticed labor that keeps another believer from growing weak.

3. Receive fuller instruction without protecting your image. Apollos had knowledge, zeal, and a public voice, yet Aquila and Priscilla still had something to give him. When sound instruction exposes a gap, resist the urge to answer before you have listened. Ask for an explanation, return to the passage, and thank the person whose care helps you serve Christ more faithfully.

4. Correct in a way that seeks your brother’s good. Aquila and Priscilla take Apollos aside; they neither expose him nor leave him uninstructed. Before offering correction, ask whether you want to display that you are right or to help a person know Christ more fully. Then speak with the truth and restraint their example requires.

5. Let Scripture make Christ known. Apollos’ strength reaches its proper end in helping those who believed through grace and showing from the Scriptures that Jesus is the Christ. Ask the Lord to free your knowledge from self-display, so that your words in the home, parish, and workplace become a faithful witness to Him.

Teaching Notes

Vow, Ephesus, and Strengthening the Disciples (Acts 18:18-23)

• Ask: What does Paul’s “God willing” teach about planning without control?
• Emphasize: The vow’s exact nature remains unspecified; the vow and Paul’s stated intention to go to Jerusalem do not portray his Gentile mission as contemptuous of Jewish conscience or inherited practice.
• Watch for: Treating the vow as either a full explanation of Paul’s inner life or as legalistic failure. Luke gives a brief transitional detail; handle it humbly.
• Connect: Paul’s return through Galatia and Phrygia continues Acts’ pattern that mission includes strengthening existing disciples, not only entering new cities.
• Show: A simple travel sequence can trace Corinth, Cenchrea, Ephesus, Caesarea, Antioch, Galatia, and Phrygia.

Apollos and the Way of God More Accurately (Acts 18:24-28)

• Ask: Why does Luke praise Apollos so strongly before naming what he lacks?
• Emphasize: The Church does not waste gifts, flatter gifts, or crush gifts. It completes them through fuller formation.
• Watch for: Using this passage either to shame incomplete learners or to dismiss Church order. Aquila and Priscilla correct privately and faithfully within the Church’s life.
• Connect: Acts 19 will continue the baptism and Spirit question in Ephesus, so keep Apollos’ incompleteness as preparation for the next session.
• Show: A simple formation diagram works well: Scripture knowledge, zeal, humility, fuller catechesis, fruitful witness.

Worship and interpretive boundaries

• Theophany’s Liturgy Praxis is Acts 18:24-19:6. Read its two episodes together without supplying an unrecorded baptism narrative for Apollos.
• Distinguish the narrative’s “accurately” and “more accurately”: fuller teaching honors truth already received rather than humiliating the learner.
• Correction in private is a model of care, not a rule requiring secrecy about public danger or abuse.

Sources

Scripture is from NKJV.

• St. John Chrysostom, Homilies on Acts, Homily XL, exposition and recapitulation of Acts 18:18-19:7. CCEL.

• Coptic Orthodox Theophany Liturgy, Praxis Acts 18:24-19:6. Readings.

Footnotes

1. St. John Chrysostom, Homilies on Acts, Homily XL, exposition of Acts 18:19, on leaving Priscilla and Aquila at Ephesus. ccel.org ↩

2. St. John Chrysostom, Homilies on Acts, Homily XL, recapitulation of Acts 18:26-27. ccel.org ↩

3. Coptic Orthodox Theophany Liturgy, Praxis Acts 18:24-19:6. copticchurch.net ↩