New Defender's Study Bible Notes
4:33 witness of the resurrection. The apostles could witness “with great power” because they had seen the irrefutable evidence of the bodily resurrection of Christ. This is the crowning proof of the truth of Christianity. Only God Himself could defeat death, and Jesus had thereby demonstrated His unique deity. It is no wonder that very soon “the number of the disciples multiplied in Jerusalem greatly” (Acts 6:7).