Acts 12:6-10

Verse 6

Sleeping between two soldiers, bound with two chains - Two soldiers guarded his person; his right hand being bound to the left hand of one, and his left hand bound to the right hand of the other. This was the Roman method of guarding their prisoners, and appears to be what is intimated in the text.
Verse 7

Smote Peter on the side - He struck him in such a way as was just sufficient to awake him from his sleep.

His chains fell off from his hands - The chains mentioned above, by which he was bound to the two soldiers.
Verse 8

Gird thyself - It seems Peter had put off the principal part of his clothes, that he might sleep with more comfort. His resuming all that he had thrown off was a proof that every thing had been done leisurely. There was no evidence of any hurry; nor of any design to elude justice, or even to avoid meeting his accusers in any legal way. It appears that the two soldiers were overwhelmed by a deep sleep, which fell upon them from God.
Verse 9

He - wist not - He knew not; from the Anglo-Saxon, to know. He supposed himself to be in a dream.
Verse 10

The first and - second ward - It is supposed that ancient Jerusalem was surrounded by three walls: if so, then passing through the gates of these three walls successively is possibly what is meant by the expression in the text. The prison in which he was confined might have been that which was at the outer wall.

Iron gate - This was in the innermost wall of the three, and was strongly plated over with iron, for the greater security. In the east, the gates are often thus secured to the present day. Pitts says so of the gates of Algiers; and Pocock, of some near Antioch. Perhaps this is all that is meant by the iron gate. One of the quaternions of soldiers was placed at each gate.

Which opened - of his own accord - Influenced by the unseen power of the angel.

The angel departed from him - Having brought him into a place in which he no longer needed his assistance. What is proper to God he always does: what is proper to man he requires him to perform.
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