St. Paul was grieved, either for the maid's sake, who suffered so much by her being possessed with this spirit, or, for their sakes who were seduced by him. St. Paul (as our Saviour had done, Mark 1:25) refuseth the testimony of the devil; for he being the father of lies, 1 Thessalonians 8:44, makes every thing he says to be suspected; as it is a usual punishment of liars, that they are not believed when they speak the truth; and the devil never speaks any truth but with an intention to deceive. In the name of Jesus Christ; by the authority and power of Christ.
Related Commentaries of Acts 16:18
Acts 16:18
18 And this did she many days. But Paul, being grieved, turned and said to the spirit, I command thee in the name of Jesus Christ to come out of her. And he came out the same hour.