Paul’s witness from his own experience

“‘I am verily a man which am a Jew, born in Tarsus, a city in Cilicia, yet brought up in this city at the feet of Gamaliel, and taught according to the perfect manner of the law of the fathers, and was zealous toward God, as ye all are this day.’ None could deny the apostle’s statements, as the facts that he referred to were well known to many who were still living in Jerusalem. He then spoke of his former zeal in persecuting the disciples of Christ, even unto death; and he narrated the circumstances of his conversion, telling his hearers how his own proud heart had been led to bow to the crucified Nazarene. Had he attempted to enter into argument with his opponents, they would have stubbornly refused to listen to his words; but the relation of his experience was attended with a convincing power that for the time seemed to soften and subdue their hearts.”—The Acts of the Apostles, 409.EGWRWJP 21.3