Acts 15:4
And when they were come to Jerusalem, they were received of the church, and of the apostles and elders, and they declared all things that God had done with them.
Cross-references
Acts 15:3 shows them reporting Gentile conversions en route; here they give the same report to the Jerusalem church upon arrival.
In Acts 15:12, Paul and Barnabas again recount God's signs among the Gentiles to the assembled council, echoing their earlier report.
Acts 15:2 records the decision to go to Jerusalem to discuss the Gentile question — this is the prior step leading to the welcome in Acts 15:4.
Acts 15:23 is the letter from the council — the outcome that follows the arrival and report described here.
Acts 14:27 uses the same phrase 'declared all that God had done with them' for their report in Antioch, mirroring this Jerusalem report.
Acts 21:17 mirrors this welcome — Paul again arrives in Jerusalem and is warmly received by the brothers.
Acts 21:19 has Paul relating God's work among Gentiles to James, a later parallel of this Jerusalem report to the church.
Galatians 2:2 refers to the same Jerusalem visit — Paul privately presented his gospel to the influential leaders there.
Matthew 10:40 teaches that welcoming apostles welcomes Christ — the theological basis for the Jerusalem church's welcome of Paul and Barnabas.
Romans 15:7 commands mutual acceptance — exemplified by the Jerusalem church's acceptance of Paul and Barnabas here.
2 John 1:10 warns against welcoming false teachers — contrasting with the proper welcome of true apostles in Jerusalem here.