Reading of the book of Acts of the Apostles (Ac 11, 21b-26 ; 13, 1-3)

In those days a large number of people in Antioch became believers and turned to the Lord. The news reached the ears of the Church of Jerusalem, and Barnabas were sent to Antioch. When he arrived, seeing the grace of God at work, he was overjoyed.
He exhorted them all to remain with a firm heart attached to the Lord. He was indeed a good man, filled with the Holy Spirit and faith. A large crowd attached themselves to the Lord. Barnabas then went to Tarsus to find Saul. Having found him, he took him to Antioch. For a whole year they participated in the assemblies of the Church, they educated a considerable crowd. And it was in Antioch that for the first time the disciples were given the name “Christians”. Now in the Church which was in Antioch there were prophets and men responsible for teaching: Barnabas, Simeon called The Black, Lucius of Cyrene, Manahene, childhood companion of Herod the Tetrarch, and Saul. One day when they celebrated the worship of the Lord and fasted, the Holy Spirit said to them, “Set aside for me Barnabas and Saul
in view of the work to which I called them. So after fasting and praying, and laying their hands on them, they let them go.