17. And take unto you the helmet of salvation, and the sword of the Spirit (which is the word of God).
18. By all prayer and supplication praying at all times in the spirit; and in the same watching with all instance and supplication for all the saints:
19. And for me, that speech may be given me, that I may open my mouth with confidence, to make known the mystery of the gospel.
20. For which I am an ambassador in a chain, so that therein I may be bold to speak according as I ought.