King James Version
Then the deputy, when he saw what was done, believed, being astonished at the doctrine of the Lord.English Standard Version
Then the proconsul believed, when he saw what had occurred, for he was astonished at the teaching of the Lord.New International Version
Immediately mist and darkness came over him, and he groped about, seeking someone to lead him by the hand. When the proconsul saw what had happened, he believed, for he was amazed at the teaching about the Lord.