What could the priests say? What could they do?
Nothing.
Enemies Confounded.
There stood the man sound and whole, who had been helpless for forty years!
There stood Peter boldly proclaiming that the miracle was wrought in the name of Jesus of Nazareth whom they had condemned to death.
They considered Peter unlearned, but he had confounded them all.
Counsel.
After ordering the prisoners to be taken into another room, they said among themselves:
"What shall we do to these men? for that indeed a notable miracle hath been done by them is manifest to all them that dwell in Jerusalem and we cannot deny it."
So, in order that the doctrine the apostles were preaching would spread no further, they concluded to threaten Peter and John, and command them not to speak to any man in "this name."