The Apostle Paul
Ephesians 6:12BSB·traditional attribution

For our struggle is not against flesh and blood, but against the rulers, against the authorities, against the powers of this world’s darkness, and against the spiritual forces of evil in the heavenly realms.

John Calvin Reformed

12. For we wrestle “Πάλη is properly a gymnastic term; but the Apostle often unites military with agonistic metaphors; and here the agonistic is not less suitable than the military. So in a similar passage of Max. Tyr. Diss. Version 9, volume 1 page 79, ed.

Matthew Henry Presbyterian

Here is a general exhortation to constancy in our Christian course, and to encourage in our Christian warfare. Is not our life a warfare? It is so; for we struggle with the common calamities of human life. Is not our religion much more a warfare?

Commenting on Ephesians 6:10-18

John Gill Reformed Baptist

For we wrestle not against flesh and blood,.... The Syriac, Arabic, and Ethiopic versions, and some copies, read "you", instead of "we". This is a reason why saints should be strong in the Lord, and why they should put on the whole armour of God, and prepare for battle, since their enemies are such as here described: not "flesh and blood"; frail mortal men, such...