The Acts of the Apostles, written by the author of the Gospel according to Luke, is the account of what Jesus’ disciples did after His resurrection. It tells about the early Christian church and its missionaries, the baptism of Cornelius, the Council in Jerusalem, and about the conversion of Paul and his journeys to establish churches and to teach. Acts emphasizes that the church is guided continually by the Holy Spirit.

Acts 21

21:26 Then Paul took the men, and the next day purifying himself with them entered into the temple, to signify the accomplishment of the days of purification, until that an offering should be offered for every one of them.