Many. Literally, “more.” At the next meeting the Jews were present in greater numbers than upon the first occasion.
His lodging. See on v. 16; cf. v. 30.
Expounded. Though bound, Paul was still able to preach the gospel to his Jewish hearers. This must have been a carefully thought out theological presentation, comparable to that made by Stephen (ch. 7:2-53) and to the sermon by Paul himself at Antioch in Pisidia (ch. 13:14-41).
Testified. He bore witness to the Messianic hope, now incarnate in Jesus, and to the certainty of Christ’s return.
Kingdom of God. See on Matt. 3:2; 4:17; 5:2; Luke 4:19; Acts 8:12.
Moses. See on Luke 24:27, 44.
Morning till evening. Evidently some of the Jews were firmly resisting the gospel, and some were hungering for more of the word of truth. Thus for varied reasons the Jews remained all day long.