And there appeared unto him an angel of the Lord standing on the right side of the altar of incense.
All Commentaries on Luke 1:11 Go To Luke 1
Athanasius the Apostolic
AD 373
Whereby it is not difficult to discern between good and bad spirits, for if joy has succeeded to fear, we may know that relief has come from God, because the peace of the soul is a sign of the Divine Presence; but if the fear remains unshaken, it is an enemy who is seen,