And certain men which came down from Judaea taught the brothers, and said, Except you be circumcised after the manner of Moses, you cannot be saved.
Cir.
Acts 21:20 And when they heard it, they glorified the Lord, and said unto him, Thou seest, brother, how many thousands of Jews there are which believe; and they are all zealous of the law:
Galatians 2:4,12,13 And that because of false brethren unawares brought in, who came in privily to spy out our liberty which we have in Christ Jesus, that they might bring us into bondage: …
the brethren.
Acts 15:23 And they wrote letters by them after this manner; The apostles and elders and brethren send greeting unto the brethren which are of the Gentiles in Antioch and Syria and Cilicia:
Except.
Acts 15:5 But there rose up certain of the sect of the Pharisees which believed, saying, That it was needful to circumcise them, and to command them to keep the law of Moses.
Romans 4:8-12 Blessed is the man to whom the Lord will not impute sin…
Galatians 5:1-4 Stand fast therefore in the liberty wherewith Christ hath made us free, and be not entangled again with the yoke of bondage…
after.
Genesis 17:10 This is my covenant, which ye shall keep, between me and you and thy seed after thee; Every man child among you shall be circumcised.
Leviticus 12:3 And in the eighth day the flesh of his foreskin shall be circumcised.
John 7:22 Moses therefore gave unto you circumcision; (not because it is of Moses, but of the fathers;) and ye on the sabbath day circumcise a man.
ye.
Acts 15:24 Forasmuch as we have heard, that certain which went out from us have troubled you with words, subverting your souls, saying, Ye must be circumcised, and keep the law: to whom we gave no such commandment:
1 Corinthians 7:18,19 Is any man called being circumcised? let him not become uncircumcised. Is any called in uncircumcision? let him not be circumcised…
Galatians 2:1,3 Then fourteen years after I went up again to Jerusalem with Barnabas, and took Titus with me also…
and were teaching the brothers
The "brothers" refers to fellow believers, indicating that the early Christian community was already established in the area they visited. This teaching was not merely a casual conversation but an authoritative instruction, suggesting these men held some influence or authority. The early church faced significant challenges in defining doctrine and practice, especially concerning the inclusion of Gentiles.
“Unless you are circumcised according to the custom of Moses
Circumcision was a sign of the covenant between God and Abraham (Genesis 17:10-14) and was later incorporated into the Mosaic Law. It was a physical mark of Jewish identity and religious commitment. The insistence on circumcision highlights the tension between Jewish traditions and the new covenant in Christ, which emphasized faith over law (Galatians 5:6). This issue was central to the early church's struggle to define the role of the Law in salvation.
you cannot be saved.”
This statement reflects a belief that adherence to the Mosaic Law was necessary for salvation, a view that was challenged by the apostles, particularly Paul, who argued that salvation is through faith in Jesus Christ alone (Ephesians 2:8-9). This controversy led to the Jerusalem Council (Acts 15:6-29), where it was decided that Gentile believers were not required to follow the entirety of the Jewish Law. This decision was pivotal in shaping the identity of the Christian faith as distinct from Judaism.
Luke sets the scene by noting the origin of the visitors. They came “down” geographically (Judea is elevated) but “up” in influence, carrying weight because they were from the church’s birthplace.
• Earlier similar trips from Jerusalem had brought good news (Acts 11:22; Acts 14:26–27). This time, trouble follows.
• Acts 15:24 later clarifies that these men had “troubled” believers without authorization, highlighting how easily error can hitch a ride on impressive credentials.
• Galatians 2:12 records another moment when men “from James” unsettled Antioch; the enemy often tries the same tactic—injecting doubt through respected channels.
Their activity wasn’t casual conversation; it was deliberate instruction, shaping doctrine.
• Teaching is powerful (James 3:1), so when it goes off-course, damage spreads fast (2 Timothy 2:17).
• Paul had already warned against “different doctrine” (1 Timothy 1:3–4). Here we watch the very scenario that later fueled those warnings.
• Healthy teaching builds up (Acts 20:32), but this teaching burdens (Acts 15:10).
The demand sounds pious—circumcision is God-given (Genesis 17:9-14)—yet it misfires in the new-covenant context.
• Circumcision was a covenant sign, not a salvation source (Romans 4:9-12).
• By inserting “unless,” the men turn a symbol into a gatekeeper and overlook that Christ has fulfilled the law (Matthew 5:17; Galatians 3:24-26).
• Paul will later warn, “If you let yourselves be circumcised, Christ will be of no benefit to you” (Galatians 5:2-4), because trusting any ritual for justification shifts trust off Jesus.
Here lies the heart of the error: attaching salvation to human effort.
• Scripture insists, “Through Him everyone who believes is justified from everything you could not be justified from by the Law of Moses” (Acts 13:39).
• Salvation is “by grace…through faith…not from yourselves” (Ephesians 2:8-9). To add requirements is to subtract grace (Romans 11:6).
• Peter will soon confront the issue head-on: “We believe it is through the grace of the Lord Jesus that we are saved, just as they are” (Acts 15:11), firmly rejecting the claim of verse 1.
Acts 15:1 captures the opening volleys of a battle for the gospel’s purity. Well-meaning but misguided teachers from Judea impose circumcision as a salvation prerequisite, challenging the message that Jesus alone saves. The verse warns us to weigh all teaching against the full counsel of Scripture, stand firm in grace, and resist every attempt to mingle human works with Christ’s finished work.
XV.(1) And certain men which came down from Judaea.--We enter on the history of the first great controversy in the records of the Christian Church. It might have seemed as if the conversion of Cornelius had been accepted as deciding the question which we now find raised again (Acts 11:18). It would seem, however, that those who had raised objections to Peter's conduct in that case were not content to accept the conclusion which he drew from it, and it is not difficult to represent to ourselves the train of thought which led them to take a different view. To them it may have seemed the exception that proved the rule. Where signs and wonders came in, they may have been content to accept an uncircumcised convert as a member of the Church, simply on the ground that God had dispensed in such cases with His own law; or they may have urged that though, in such cases, they did not require circumcision as a condition of admission, the continuance in the uncircumcised state after baptism was a wilful transgression, which shut men out from the "salvation" which they were seeking. Circumcision, they may have said, had been given as an "everlasting covenant" (Genesis 17:13), and had never been formally abrogated. Who were the new teachers, that they should change what God had thus established? It is clear that they came, claiming to speak in the name of James, the Bishop of Jerusalem, and though he distinctly repudiates having authorised them (Acts 15:24), yet if we suppose, as is probable, that his Epistle was written shortly before the Council, we can easily understand that they might rest their case on the words which he had used in it, that "whosoever shall keep the whole Law, and yet offend in one point, is guilty of all" (James 2:10). Here, they might say, is a point confessedly in the Law, and even prior to it; and they were not prepared to draw the distinctions which we have learned to draw between the positive and the moral, the transient and the permanent, obligations of that Law. And it is to be noted that they did not merely make circumcision a condition of church communion; they carried their principles to their logical conclusion--as mediaeval dogmatism did in the case of baptism--and excluded the uncircumcised from all hope of salvation. (Comp. the account of Ananias and Izates given in the Note on Acts 9:10.) . . .
Verse 1. - Came down... and taught for which came down... taught, A.V.; saying for and said, A.V.; custom (ἔθος) for manner, A.V. Except ye be circumcised, etc. The question thus raised nearly effected the disruption of the Church, and was the most serious controversy that had yet arisen. If the views broached by these Judaean Christians had prevailed, the whole character of Christianity would have been changed, and its existence probably cut short. How great the danger was appears from even Peter and Barnabas having wavered in their opinion. (For St. Paul's treatment of the subject, see Romans 2:25, etc.; 4; Galatians 5:2-6; Galatians 6:12-15, etc.) The expression, Τινὲς κατέλθοντες ἀπὸ τῆς Ἰουδαίας, is so like that in Galatians 2:11, Πρὸ τοῦ ἐλθεῖν τινὰς ἀπὸ Ἰακώβου as to suggest very strongly the consideration whether Peter was not at Antioch at this time, and whether the scene related in Galatians 2:11, etc., did not precede, and in fact cause, the Council of Jerusalem. In this case the "dissension and disputation" spoken of in ver. 2 would include and directly point to the memorable rebuke given by Paul to Peter; and we should understand that Peter, accepting Paul's rebuke, preceded him and Barnabas, and prepared the way at Jerusalem for the solution arrived at. And, indeed, Peter's words at Jerusalem are almost an echo of Paul's words addressed to him at Antioch. If Barnabas had shown a leaning towards the Judaizing party, he would the more readily have been accepted by them as one of the embassy. The chief objection to this hypothesis is that in Galatians 2:11 Peter's visit to Antioch seems to be spoken of as something subsequent to the journey of St. Paul and Barnabas to Jerusalem. But it is not in the least necessary so to understand it. St, Paul's mention of his visit to Jerusalem might naturally recall the incident which had led to it, and which was another example of his own independence. Farrar places Peter's visit to Antioch between the Council of Jerusalem and the quarrel with Barnabas, in the time indicated in ver. 35 of this chapter (vol. 1. Acts 23.), and so do Conybeare and Howson (vol. 1. p. 238), Meyer, and Alford ('Proleg.,' p. 24; note on Acts 15:36, and Galatians 2:11). Renan ('St. Paul,' p. 290, etc.) and Lewin (vol. 1. Acts 13.) place it after St. Paul's return to Antioch, at the conclusion of his second missionary journey (Acts 18:22, 23). No absolute certainty can be arrived at, but see note to ver. 35. Custom (see Acts 16:21); τὰ ἔθη is the technical term for the Mosaic institutions, used by Josephus and Philo (see too Acts 6:14; Acts 21:21, note).