William Barclay's Daily Study Bible - Acts 12:12-19
12:12-19 When Peter had grasped what had happened, he went to the house of Mary, the mother of John, who was surnamed Mark. There a large number had assembled together and were praying. When Peter had knocked at the door of the entrance a maidservant called Rhoda came to answer the door. She recognized Peter's voice and, in her joy, she did not open the door but ran and told them that Peter stood before the entrance. They said to her, "You are mad." She strenuously insisted that it was so;... read more
Matthew Henry's Complete Commentary - Acts 12:5-19
We have here an account of Peter's deliverance out of prison, by which the design of Herod against him was defeated, and his life preserved for further service, and a stop given to this bloody torrent. Now, I. One thing that magnified his deliverance was that it was a signal answer to prayer (Acts 12:5): Peter was kept in prison with a great deal of care, so that it was altogether impossible, either by force or by stealth, to get him out. But prayer was made without ceasing of the church unto... read more