Ephesians 2:2
Wherein in time past you walked according to the course of this world, according to the prince of the power of the air, the spirit that now works in the children of disobedience:
Torrey's Topical Textbook—AKJV

Ephesians 6:12
For we wrestle not against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this world, against spiritual wickedness in high places.
Torrey's Topical Textbook—AKJV