Acts 12:9 in the World English Bible
And he went out and followed him. He didn’t know that what was being done by the angel was real, but thought he saw a vision.
Context
8 And the angel said unto him, Gird thyself, and bind on thy sandals. And so he did. And he saith unto him, Cast thy garment about thee, and follow me.
9 And he went out, and followed him; and wist not that it was true which was done by the angel; but thought he saw a vision.
10 When they were past the first and the second ward, they came unto the iron gate that leadeth unto the city; which opened to them of his own accord: and they went out, and passed on through one street; and forthwith the angel departed from him.