And he was with them coming in and going out in Jerusalem, and dealing confidently in the name of the Lord.

“"And he was with them coming in and going out at Jerusalem, and speaking boldly in the name of Jesus" (v. 28): these things were demonstrative of the former, and by his acts he made good what was spoken of him. "And he spake, and disputed with the Hellenists." (v. 29.) So then the disciples were afraid of him, and the Apostles did not trust him; by this therefore he relieves them of their fear. "With the Hellenists:" he means those who used the Greek tongue: and this he did, very wisely; for those others, those profound Hebrews had no mind even to see him. "And he was with them, coming in and going out at Jerusalem, and speaking boldly in the name of the Lord Jesus." This gave them all confidence. "But they went about to slay him: which when the brethren knew" etc. Do you observe how both there (at Damascus), and here, the rest take care for him, and provide for him the means of departure, and that we nowhere find him thus far receiving direct supernatural aid from God? So the energy of his character is betokened.”

“And he spake boldly in the name of the Lord Jesus,.... He spoke the Gospel of Christ boldly, as it ought to be spoken; he spoke it openly, publicly, freely, and faithfully, not fearing the faces or revilings of any: the Vulgate Latin and Ethiopic versions add, "to the Gentiles"; but this is not in any of the Greek copies: and disputed against the Grecians; or Hellenists, that is, the Hellenistical Jews; by whom are meant, not Greeks proselyted to the Jewish religion, but Jews who had been born and brought up in Greece, or at least had learned the Greek language, and used the Greek Bible; and so the Syriac version renders it, "he disputed with the Jews that knew Greek"; perhaps the same persons, of the synagogue of the Libertines, Alexandrians, Cyrenians, and of Cilicia and Asia, who disputed with Stephen, with whom he had before joined, Act 6:9 but they went about to slay him; he being an over match for them; and they not being able to resist him, but being confuted, and confounded, and put to silence, they were filled with indignation; and since they could not conquer him by arguments, they were for slaying him with the sword.”