Christians are at war, and this war is of the most serious nature. Spiritual warfare is not with flesh and blood but against spiritual forces. Chapter 1 indicates where Christians find their strength in this battle. The author uses Ephesians 6:10-20 to indicate that all strength is to be found in the Lord Jesus Christ.
Source: Spiritual Warfare: A Biblical and Balanced Perspective (Reformation Heritage Books, 2014), 7-14.
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