Acts 9:20-22

9:20 and immediately he began to proclaim Jesus in the synagogues, saying, “This man is the Son of God.” 9:21 All who heard him were amazed and were saying, “Is this not the man who in Jerusalem was ravaging those who call on this name, and who had come here to bring them as prisoners to the chief priests?” 9:22 But Saul became more and more capable, and was causing consternation among the Jews who lived in Damascus by proving that Jesus is the Christ.

Acts 9:27

9:27 But Barnabas took Saul, brought him to the apostles, and related to them how he had seen the Lord on the road, that the Lord had spoken to him, and how in Damascus he had spoken out boldly in the name of Jesus.