participle dependent on the imperative from verse 17: “Take the helmet … praying.” In other words, verses 18–20 do not introduce prayer as a new subject. Rather, they complete the thought of verses 10–17. They help to answer the question of what we do once we’ve put on God’s armor. How do we engage in God’s battle? We pray. We don’t just pray a little bit, either. Verse 18 contains four different uses of the Greek word meaning “all”: “And pray in the Spirit on all occasions with all kinds of prayers
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