Matthew 12:28

Knowing their thoughts, Jesus said to them, “Every kingdom divided against itself is brought to desolation, and every city or house divided against itself will not stand.

If Satan casts out Satan, he is divided against himself. How then will his kingdom stand?

If I by Beelzebul cast out demons, by whom do your children cast them out? Therefore they will be your judges.

Or how can one enter into the house of the strong man and plunder his goods, unless he first bind the strong man? Then he will plunder his house.

“He who is not with me is against me, and he who doesn’t gather with me, scatters.

Therefore I tell you, every sin and blasphemy will be forgiven men, but the blasphemy against the Spirit will not be forgiven men.