Ephesians 6:10, 13, 18
Ephesians 6:13 ESV
Therefore take up the whole armor of God, that you may be able to withstand in the evil day, and having done all, to stand firm.
Ephesians 6:18 ESV
praying at all times in the Spirit, with all prayer and supplication. To that end, keep alert with all perseverance, making supplication for all the saints