And demons also came out of many, crying out, and saying, You are Christ the Son of God. And he rebuking them permitted them not to speak: for they knew that he was Christ.
All Commentaries on Luke 4:41 Go To Luke 4
Cyril of Alexandria
AD 444
He would not permit the unclean demons to confess him. It was not right for them to usurp the glory of the apostolic office or to talk of the mystery of Christ with polluted tongues. Yes, nothing they say is true. Let no one trust them. Light cannot be recognized with the help of darkness, as the disciple of Christ teaches us, where he says, “What accord has Christ with Belial? Or what has a believer in common with an unbeliever?” Commentary on Luke, Homily