And if Satan cast out Satan, he is divided against himself; how shall then his kingdom stand?
All Commentaries on Matthew 12:26 Go To Matthew 12
Theophylact of Ochrid
By divulging their thoughts He shows that He is God. He defends Himself from their accusation by means of everyday examples, and reveals their foolishness. For how is it that demons cast out one another when in fact they strive to assist one another? "Satan" means "the adversary"