And when he was come into the house, his disciples asked him privately, Why could not we cast him out?
All Commentaries on Mark 9:28 Go To Mark 9
Tertullian of Carthage
AD 220
Fasting is the weapon of choice for battling with the more dreadful demons. Should we be surprised if the expulsion of the spirit of iniquity requires the indwelling of the Holy Spirit? On Fasting