Companion: Deep Study
A condensed companion to the full study. For each section of the expanded outline: key insights, applications, and the application questions for discussion.
Section 1 — Paul with Aquila and Priscilla in Corinth (Acts 18:1–4)
Key Insights
- Paul enters wealthy, immoral Corinth not with spectacle but with patient reasoning from the Scriptures.
- Claudius’s expulsion of the Jews from Rome (A.D. 49) providentially brings Aquila and Priscilla to Paul for lifelong gospel partnership.
- Paul labors as a tentmaker (skēnopoios), refusing to burden the young church and modeling the dignity of ordinary work.
- He “reasoned in the synagogue every Sabbath” (dialegomai, peithō), sustaining week-by-week argument that Jesus is the Christ.
- What men intend for displacement, God ordains for His kingdom (Romans 8:28).
Applications
- See God’s sovereign hand in relocation, work, and friendship; trust His providence when plans are overturned.
- Honor God in ordinary vocation, integrating your work and your witness (Colossians 3:23).
- Let busyness with work never crowd out the word; and remember self-support was Paul’s freedom in love, not a universal rule.
Application Questions
- When my plans are overturned by circumstances beyond my control, do I trust that God is arranging providences for His purposes, as He did through the expulsion that brought Aquila and Priscilla to Paul?
- Do I honor God in my ordinary work, integrating my vocation with my witness as Paul did in his tentmaking?
Section 2 — Testifying That Jesus Is the Christ (Acts 18:5–8)
Key Insights
- Freed by Silas and Timothy’s arrival (and support), Paul was “occupied with the word” (syneicheto), solemnly testifying that “the Christ was Jesus.”
- Facing opposition, Paul shook out his garments — the watchman motif (Ezekiel 33; Nehemiah 5:13) — discharging his duty, not retaliating.
- He relocated strategically next door to Titius Justus’s house, and kept preaching.
- Crispus, the synagogue ruler, “believed in the Lord, together with his entire household” — a signal triumph of grace.
- “Many of the Corinthians… believed and were baptized,” the first fruits of the harvest the Lord will name next.
Applications
- Respond to opposition with faithful perseverance, not silence born of the fear of man (Proverbs 29:25).
- Let the conviction that Jesus is the Christ grip and reorder your priorities.
- Sow the word faithfully and leave the fruit to God, who saves even synagogue rulers and whole households.
Application Questions
- When my witness to Christ is opposed or reviled, do I respond with faithful perseverance, or do I retreat into silence?
- Am I gripped by the conviction, as Paul was when “occupied with the word,” that Jesus is the Christ — and does that conviction shape my priorities?
Section 3 — “I Have Many in This City Who Are My People” (Acts 18:9–11)
Key Insights
- The risen Lord appears in a vision: “Do not be afraid” (mē phobou), the covenant word of reassurance.
- The double charge — “go on speaking and do not be silent” — presses Paul to persevere in the very ministry that drew hostility.
- The ground of courage is divine presence: “I am with you” (cf. Matthew 28:20).
- “I have many in this city who are my people” (laos) reveals unconditional election — God owns His elect before they believe.
- Election is the engine of evangelism, not its enemy; assured of a people to gather, Paul stayed eighteen months (John 10:16; 6:37).
Applications
- Draw courage from “I am with you”; His presence, not favorable circumstances, emboldens witness.
- Let election fuel hope and perseverance in hard fields — no city is too hard when God has a people there.
- Beware misuse: election is no excuse for silence, and the specific promise of protection is not a blanket guarantee of physical safety.
Application Questions
- When I grow afraid or discouraged in bearing witness, do I draw courage from Christ’s promise “I am with you,” or do I retreat in fear?
- Does the truth that God has “many in this city who are my people” fuel my hope and perseverance in evangelism, even in hard and hostile places?
Section 4 — Before Gallio: The Gospel and the Governing Authorities (Acts 18:12–17)
Key Insights
- Gallio’s proconsulship (c. A.D. 51–52), fixed by the Delphi inscription, is the great chronological anchor of Pauline history.
- The charge — worship “contrary to the law” (18:13) — was crafted to expose Paul to Roman suppression.
- Gallio dismisses the case as an internal Jewish matter, effectively sheltering Christianity under Judaism’s legal status.
- His indifference fulfills the promise “no one will attack you to harm you” (18:10) within days of its giving.
- The beaten Sosthenes may be the later “brother” of 1 Corinthians 1:1 — a possible trophy of sovereign grace.
Applications
- Trust that Christ reigns over governments and courts, using even indifferent authorities to shield His people (Proverbs 21:1).
- Be a law-abiding citizen ready to give a reasoned defense, honoring the state yet holding the gospel inviolable (Acts 5:29).
- Pray for those in authority and for opponents; the Lord who moved Gallio can convert any heart.
Application Questions
- Do I trust that God reigns over governments and courts, using even indifferent or hostile authorities to accomplish His purposes for His people?
- Am I, like Paul, ready to be a law-abiding citizen who can give a reasoned account of my faith, while never compromising the gospel before the authorities?
Section 5 — Return to Antioch: The Vow at Cenchreae and the Passage Through the Churches (Acts 18:18–23)
Key Insights
- At Cenchreae Paul cut his hair under a vow (likely Nazirite-type, Numbers 6) — Jewish devotion as thanksgiving, not law-keeping for righteousness.
- He strategically stationed Priscilla and Aquila in Ephesus, seeding future ministry (Acts 19).
- “I will return… if God wills” (18:21) breathes settled submission to God’s sovereign will over all plans (James 4:15).
- Returning to Caesarea and Antioch shows accountability to the sending church.
- The third journey begins with “strengthening all the disciples” (epistērizōn) — the goal of mission is established, mature churches.
Applications
- Express gratitude for God’s deliverances in concrete, committed devotion (Romans 12:1).
- Hold plans loosely, saying from the heart “if God wills” (Proverbs 16:9).
- Value the unglamorous work of strengthening and discipling believers as highly as first evangelism.
Application Questions
- Do I express my gratitude to God for His deliverances in concrete, committed ways, as Paul did in his vow at Cenchreae?
- Do I hold my plans loosely, submitting them to God’s will as Paul did when he said, “I will return to you if God wills”?
Section 6 — Apollos Instructed by Priscilla and Aquila (Acts 18:24–28)
Key Insights
- Apollos was eloquent, “competent in the Scriptures,” and “fervent in spirit,” yet knew “only the baptism of John.”
- Priscilla and Aquila — laypeople — “took him aside and explained… the way of God more accurately”: private, gracious discipling.
- Priscilla is named first, indicating a prominent role in the joint instruction of a gifted man.
- The church commended and welcomed him; he “greatly helped those who through grace had believed.”
- He “powerfully refuted the Jews… showing by the Scriptures that the Christ was Jesus” — all faithful teaching converges on Christ.
Applications
- Stay teachable even when gifted or knowledgeable (Proverbs 19:20).
- Correct others privately and graciously, aiming to build up, not to embarrass (Galatians 6:1).
- Encourage, send, and welcome faithful workers; remember all who believe do so through grace.
Application Questions
- Am I teachable like Apollos, willing to receive correction and further instruction even when I am gifted or knowledgeable?
- When I see a fellow believer lacking in understanding, do I correct them privately and graciously, as Priscilla and Aquila did, or publicly and harshly?
Christ is the reigning Shepherd-King who has “many in this city who are my people” — so we speak His word without fear, rest in His abiding presence, welcome and disciple fellow laborers, and trust His sovereign grace to gather and preserve His elect from every city until the full harvest of the nations stands before His throne.
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