But Peter kept on knocking, and when they opened the door and saw him, they were astounded.
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 (Act 12:5): Peter was kept in prison with a great deal of...
Commenting on Acts 12:5-19
But Peter continued knocking,.... That they might come to him, and let him in; beginning to be impatient, and being very desirous of seeing his friends, as well as being in danger of being taken up, and had to prison again, should any of his enemies come by, who knew him: and when they had opened the door, and saw him, they were astonished: they...
Verse 16. Were astonished. They were now convinced that it was Peter, and they were amazed that he had been rescued. As yet they were of course ignorant of the manner in which it was done.