In Acts 2 we are right at the start of stage 1 of the birth of the Christian church. The Holy Spirit has come from heaven to forge the Jewish followers of Christ into God’s community on earth (v1-3). As
The Christian church is God’s community on earth. It was not born by human action but by the Lord Jesus sending the power of the Holy Spirit. Acts shows us the three great stages he used to do this (1:8).