Ephesians 6:16-18

16besides all [these], having taken the shield of faith with which ye will be able to quench all the inflamed darts of the wicked one.

17Have also the helmet of salvation, and the sword of the Spirit, which is 1God's word;

18praying at all seasons, with all prayer and supplication in [the] Spirit, and watching unto this very thing with all perseverance and supplication for all the saints;