And when he was disposed to pass into Achaia, the brothers wrote, exhorting the disciples to receive him: who, when he was come, helped them much which had believed through grace:
the brethren.
Acts 9:27 But Barnabas took him, and brought him to the apostles, and declared unto them how he had seen the Lord in the way, and that he had spoken to him, and how he had preached boldly at Damascus in the name of Jesus.
Romans 16:1,2 I commend unto you Phebe our sister, which is a servant of the church which is at Cenchrea: …
1 Corinthians 16:3 And when I come, whomsoever ye shall approve by your letters, them will I send to bring your liberality unto Jerusalem.
exhorting.
Colossians 4:10 Aristarchus my fellowprisoner saluteth you, and Marcus, sister's son to Barnabas, (touching whom ye received commandments: if he come unto you, receive him;)
3 John 1:8-10 We therefore ought to receive such, that we might be fellowhelpers to the truth…
helped.
1 Corinthians 3:6,10-14 I have planted, Apollos watered; but God gave the increase…
2 Corinthians 1:24 Not for that we have dominion over your faith, but are helpers of your joy: for by faith ye stand.
Philippians 1:25 And having this confidence, I know that I shall abide and continue with you all for your furtherance and joy of faith;
believed.
John 1:12,13 But as many as received him, to them gave he power to become the sons of God, even to them that believe on his name: …
Romans 1:5 By whom we have received grace and apostleship, for obedience to the faith among all nations, for his name:
1 Corinthians 15:10 But by the grace of God I am what I am: and his grace which was bestowed upon me was not in vain; but I laboured more abundantly than they all: yet not I, but the grace of God which was with me.
the brothers encouraged him and wrote to the disciples there to welcome him
The "brothers" likely refers to the Christian community in Ephesus, where Apollos had been preaching. Their encouragement and letter of recommendation highlight the early Church's practice of supporting and endorsing itinerant preachers. This practice ensured that new teachers were received with trust and hospitality, as seen in 2 Corinthians 3:1, where Paul discusses letters of recommendation.
On his arrival, he was a great help to those who by grace had believed
Apollos' impact upon arrival in Achaia underscores the importance of sound teaching and encouragement in the faith. His assistance to believers "by grace" emphasizes the doctrine of salvation by grace through faith, as articulated in Ephesians 2:8-9. Apollos' role as a teacher and encourager reflects the spiritual gifts mentioned in Romans 12:6-8, where teaching and exhortation are vital for building up the Church.
“Apollos resolved” shows deliberate, Spirit-guided intention (Acts 18:24-26).
• God often stirs believers to move so the gospel can spread—think of Philip in Acts 8:26-40 and Paul in Acts 16:9-10.
• Achaia includes Corinth, where a new church needed strong teaching (1 Corinthians 1:2).
• Apollos used his gifts where they were most needed, fulfilling 1 Peter 4:10: “Each of you should use whatever gift he has received to serve others.”
Healthy churches recognize and support God-given ministry.
• The brothers “encouraged” Apollos—echoing Barnabas’s role with Saul (Acts 9:27).
• They sent a letter of commendation, like the Jerusalem letter in Acts 15:23 and the practice Paul notes in 2 Corinthians 3:1.
• Hospitality toward traveling workers fulfills Romans 12:13 and 3 John 8.
• Unity is protected: the disciples in Achaia can trust Apollos, avoiding confusion (compare 1 Corinthians 16:10-11, where Timothy likewise needed acceptance).
Fruit quickly follows faithful obedience.
• “Those who by grace had believed” highlights salvation’s source—Ephesians 2:8.
• Apollos strengthened them, likely through teaching and apologetics (Acts 18:28; Titus 1:9).
• His ministry complemented Paul’s—“I planted, Apollos watered, but God made it grow” (1 Corinthians 3:6).
• The church benefits when various servants exercise different gifts in harmony (Romans 12:4-8).
Acts 18:27 portrays a Spirit-led chain reaction: Apollos senses God’s call, fellow believers confirm and support it, and the church in Achaia thrives as a result. The verse models intentional service, accountable commendation, and grace-powered growth—reminding us that when God moves His people and His people move with Him, everyone touched by that grace is strengthened.
(27) And when he was disposed to pass into Achaia.--In the absence of the name of any city in the province, Corinth naturally suggests itself as the place to which he went. Acts 19:1, and the mention of Apollos in 1Corinthians 1:12, turns this into a certainty. He felt, we may believe, that his training in the philosophical thought of Alexandria qualified him to carry on there the work which St. Paul had begun both there and at Athens. One who had written, or even read, the noble utterances of Wisdom 1, 2, was well qualified to carry an aggressive warfare into the camp of the Epicureans, while thoughts like those of Wisdom 7, 8, especially Wisdom Of Solomon 8:7, with its recognition of the four cardinal virtues of Greek ethics, "temperance and prudence, justice and fortitude," would attract the sympathy of the nobler followers of Zeno.The brethren wrote, exhorting the disciples to receive him.--This is the first instance of what were afterwards known technically as "letters of commendation" (see Note on 2Corinthians 3:1), written by one church to another in favour of the bearer. The fact that they were given by the Christian community at Ephesus shows now favourable an impression Apollos had made there. It is probable that St. Paul alludes indirectly to these letters in the passage just referred to. The partisans of Apollos had referred to them as one of the points in which he excelled St. Paul. He had come with letters of commendation. He had received them when he left Corinth. The Apostle answers the disparaging taunt in the language of a noble indignation. He needed no such epistle. The church which he had planted was itself an epistle, "known and read of all men" (2Corinthians 3:3). . . .
Verse 27. - Minded for disposed, A.V.; pass over for pass, A.V.; encouraged him, and wrote to for wrote exhorting, A.V.; and... he helped for who... helped, A.V. To pass over into Achaia. Nothing can be more natural than the course of events here described. In his intimate intercourse with Priscilla and Aquila, Apollos had necessarily heard much of the great work at Corinth, and the flourishing Church there; and so he longed to see for himself and to exercise his powers in watering what St. Paul had so well planted (1 Corinthians 3:6). Priscilla and Aquila having heard his eloquent sermons at Ephesus, and being interested in the Corinthian Church, seem to have encouraged him, and to have joined with the other disciples at Ephesus in giving him commendatory letters to the Church of Corinth. Encouraged him; προτρεψάμενοι, a word found nowhere else in the New Testament, but used in classical Greek and in the Apocrypha, in the sense of "exhorting," "urging." Προτρεπτικοὶ λόγοι are hortatory words. In medical writers a "stimulant" is προτρεπτικόν. There is a difference of opinion among commentators whether the exhortation was addressed to Apollos, as the R.V. takes it, or to the brethren at Corinth, as the A.V. understands it. It seems rather more consonant to the structure of the sentence and to the probability of the case that the exhortation was addressed to the Corinthian Church, and not to Apollos, who needed no such encouragement, Προτρεψάμενοι ἔγραψαν is equivalent to "wrote and exhorted."