And he said, “Who are you, Lord?” And he said, “I am Jesus, whom you are persecuting.
5. Who art thou, Lord? We have Paul now somewhat tamed, but he is not yet Christ’s disciple. Pride is corrected in him, and his fury is brought down. But he is not yet so thoroughly healed that he obeyeth Christ; he is only ready to receive commandments, who was before a blasphemer. Therefore, this is the question of a man that is afraid, and thrown down with amazedness.
We found mention made of Saul twice or thrice in the story of Stephen, for the sacred penman longed to come to his story; and now we are come to it, not quite taking leave of Peter but from henceforward being mostly taken up with Paul the apostle of the Gentiles, as Peter was of the circumcision.
Commenting on Acts 9:1-9
And he said, who art thou, Lord?.... For he knew not whether it was God, or an angel, or who it was that spake to him; he knew not Christ by his form or voice, as Stephen did, when he saw him standing at the right hand of God; he was in a state of ignorance, and knew neither the person, nor voice of Christ...