And he went out, and followed him; and knew not that it was true which was done by the angel; but thought he saw a vision.
All Commentaries on Acts 12:9 Go To Acts 12
John Chrysostom
AD 407
(e) well he might, by reason of the excessive greatness (ὑ περβολὴν) of the things taking place. Do you mark what a thing it is for a miracle to be excessive (ὑ περβολὴ σημείου)? How it amazes (ἐ κπλήττει) the beholder? How it will not let the thing be believed? For if Peter thought he saw a vision, though he had girded himself and put on his shoes, what would have been the case with another? And, it says, when they had passed the first and the second ward, they came to the iron gate, which opened unto them of its own accord