Ephesians 6:17 KJV
And take the helmet of salvation, and the sword of the Spirit, which is the word of God:
Ephesians 6:15–19 KJV Chapter Context
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And your feet shod with the preparation of the gospel of peace;
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Above all, taking the shield of faith, wherewith ye shall be able to quench all the fiery darts of the wicked.
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And take the helmet of salvation, and the sword of the Spirit, which is the word of God:
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Praying always with all prayer and supplication in the Spirit, and watching thereunto with all perseverance and supplication for all saints;
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And for me, that utterance may be given unto me, that I may open my mouth boldly, to make known the mystery of the gospel,