Having considered the origin of the powers and principalities, it is important at this juncture that we take look into the origin of spiritual warfare. Once again the passage in the book of Revelation is very helpful: And war broke out in heaven: Michael and his angels fought against the dragon; and the dragon and his angels fought, but they did not prevail, nor was a place found for them in heaven any longer. So the great dragon was cast out, that serpent
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