Parallel
Acts 12:16
Patriarchal Greek New Testament (1904) · Berean Standard Bible
ὁ δὲ Πέτρος ἐπέμενε κρούων. ἀνοίξαντες δὲ εἶδον αὐτὸν καὶ ἐξέστησαν.
But Peter kept on knocking, and when they opened the door and saw him, they were astounded.