Acts 9:20-22

and immediately he began to proclaim Jesus in the synagogues, saying, “He is the Son of God.” All those hearing him continued to be amazed, and were saying, “Is this not he who in Jerusalem destroyed those who called on this name, and who had come here for the purpose of bringing them bound before the chief priests?” But Saul kept increasing in strength and confounding the Jews who lived at Damascus by proving that this Jesus is the Christ.