Ephesians 6:12-14

Young's Literal Translation

¹² because we have not the wrestling with blood and flesh, but with the principalities, with the authorities, with the world-rulers of the darkness of this age, with the spiritual things of the evil in the heavenly places;

¹³ because of this take ye up the whole armour of God, that ye may be able to resist in the day of the evil, and all things having done -- to stand.

¹⁴ Stand, therefore, having your loins girt about in truth, and having put on the breastplate of the righteousness,