Throughout his pre-Christian phase, Paul began to persecute the followers of Jesus before finding his true calling
Acts 22:3-5 3 “I am a Jew, born in Tarsus of Cilicia, but brought up in this city. … 4 I persecuted the followers of this Way to their death, arresting both men and women and throwing them into prison, 5 … I … went there to bring these people as prisoners to Jerusalem to be punished.
19Saul spent several days with the disciples in Damascus. 20 At once he began to preach in the synagogues that Jesus is the Son of God. 21 All those who heard him were astonished and asked, “Isn’t he the man who raised havoc in Jerusalem among those who call on this name? And hasn’t he come here to take them as prisoners to the chief priests?” 22 Yet Saul grew more and more powerful and baffled the Jews living in Damascus by proving that Jesus is the Messiah. Acts 9:19-22
Paul suddenly underwent a dramatic and heavenly-inspired change of heart, as shown in Acts 9:19-22. During the first phase of Paul’s new Christian