2 Corinthians 10:5
casting down arguments and every high thing that exalts itself against the knowledge of God, bringing every thought into captivity to the obedience of Christ,
Ephesians 6:12,18
12 For we do not wrestle against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this age, against spiritual hosts of wickedness in the heavenly places.
18 praying always with all prayer and supplication in the Spirit, being watchful to this end with all perseverance and supplication for all the saints—