Matthew 12:26

26AndκαὶifεἰὁSatanΣατανᾶςτὸνSatanΣατανᾶνcasts outἐκβάλλει,againstἐφ’himselfἑαυτὸνhe is dividedἐμερίσθη·Howπῶςthenοὖνwill standσταθήσεταιtheἡkingdomβασιλείαof himαὐτοῦ;

And if Satan casts out Satan, he was divided against himself. How then will his kingdom stand?