And I will call for a sword against him throughout all my mountains, saith the Lord God: every man’s sword shall be against his brother. (Ezekiel 38:21)
This also finds a parallel during the time of the fearful disillusionment, when the multitudes discover they have been deluded by their religious leaders, and in their rage turn against them. “The swords which were to slay God’s people, are now employed to destroy their enemies. Everywhere there is strife and bloodshed” (GC 656).
According to the OT record there were numerous occasions upon which God brought deliverance to His people by setting their enemies to fighting one another (see Judges 7:22; 1 Sam. 14:20; 2 Chron. 20:22-24).