This Paul might know by a prophetical Spirit; and that extraordinary gift of discerning of spirits might be in this case bestowed upon him. But withal, it is not unlikely but this lame man's attention to the word, eyes, gesture, and countenance, might speak as much.
Related Commentaries of Acts 14:9
Acts 14:9
9 The same heard Paul speak: who stedfastly beholding him, and perceiving that he had faith to be healed,