Acts 8:29

29. Just as Philip entered the road to which he had been directed by the angel, and saw the chariot before him, the Holy Spirit began to work for the conversion of the treasurer. And where does he begin his work? In the heart of the sinner, by direct communication? No. Like the angel, he begins with the preacher. (29) "Then the Spirit said to Philip, Go near, and join yourself to this chariot." This was a miraculous communication from the Spirit, such as frequently directed the labors of inspired men. The object of it was the same as that of the angel's visit, to bring the preacher and the subject for conversion face to face.