Knowing their thoughts, Jesus said to them, “Every kingdom divided against itself will be laid waste, and a house divided against a house will fall.
The substance of these verses we had in Mat 12:22, etc. Christ is here giving a general proof of his divine mission, by a particular proof of his power over Satan, his conquest of whom was an indication of his great design in coming into the world, which was, to destroy the works of the devil. Here too he gives an earnest of the success of that undertaking.
Commenting on Luke 11:14-26
And if Satan also be divided against himself, how shall his kingdom stand?.... This is the accommodation of the above parables, or proverbial sentences; suggesting, that Satan must be against himself, if what the Pharisees said was true; and consequently, his kingdom and government, could not long subsist: because ye say that I cast out devils through Beelzebub; which is all one as to say...
Verses 14-23. and Verse 17. (g) "knowing their thoughts" (h) "Every kingdom divided"