satan: ready to trash us up
"We must be arrayed in the whole armor of God...." "Satan today works by cunning craftiness (Eph. 4:14), or, as it might be rendered, “wily error,” to deceive those who do not know their Bibles and are not subject to the Word."
-Ironside, H.A (2014-07-28). Praying in the Holy Spirit: Meditations on Prayer (Kindle Locations 257-260). Kindle Edition.