Contradiction with Mark 16:15
This verse commands believers to preach the gospel to every creature, differing from focusing only on strengthening the churches as in Acts 15:41.
Mark 16:15: And he said unto them, Go ye into all the world, and preach the gospel to every creature.
Contradiction with Matthew 28:19
This verse emphasizes making disciples of all nations, contrasting with the regional strengthening focus in Acts 15:41.
Matthew 28:19: Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost: [teach...: or, make disciples, or, Christians of all nations]
Contradiction with Galatians 2:9
This verse describes different missions assigned to Paul and James, which suggests differing agendas from the unified encouragement in Acts 15:41.
Galatians 2:9: And when James, Cephas, and John, who seemed to be pillars, perceived the grace that was given unto me, they gave to me and Barnabas the right hands of fellowship; that we [should go] unto the heathen, and they unto the circumcision.
Contradiction with Romans 15:20
This verse states Paul's ambition to preach where Christ was not known, which can be seen as contrasting with returning to existing churches as in Acts 15:41.
Romans 15:20: Yea, so have I strived to preach the gospel, not where Christ was named, lest I should build upon another man's foundation:
Contradiction with 1 Corinthians 1:17
This verse emphasizes preaching over other ministries, in contrast to the focus on strengthening existing churches in Acts 15:41.
1 Corinthians 1:17: For Christ sent me not to baptize, but to preach the gospel: not with wisdom of words, lest the cross of Christ should be made of none effect. [words: or, speech]