Luke 11:17-21

But he, knowing their thoughts, said unto them, Every kingdom divided against itself is brought to desolation; and a house divided against a house falleth.

If Satan also be divided against himself, how shall his kingdom stand? because ye say that I cast out devils through Beelzebub.

And if I by Beelzebub cast out devils, by whom do your sons cast them out? therefore shall they be your judges.

But if I with the finger of God cast out devils, no doubt the kingdom of God is come upon you.

When a strong man armed keepeth his palace, his goods are in peace: