Acts 9:20-22

20and immediately he began to proclaim Jesus in the synagogues, saying, “This man is the Son of God.”

21All 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?”

22But Saul became more and more capable, and was causing consternation among the Jews who lived in Damascus by proving that Jesus is the Christ.