Acts 12:9 in the King James Version
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.
Context
8 The angel said to him, “Get dressed and put on your sandals.” He did so. He said to him, “Put on your cloak and follow me.”
9 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.
10 When they were past the first and the second guard, they came to the iron gate that leads into the city, which opened to them by itself. They went out and went down one street, and immediately the angel departed from him.