SPECIAL TOPIC: SPIRITUAL WARFARE (from Eph. 6:10-24; please see online commentary for the exegesis)

The Christian life is a spiritual struggle (e.g. Rom. 7; Eph. 6:10-19). Problems, suffering, and persecution are not abnormal, but normal, for Christians in a fallen world (see Special Topic: Why Do Christians Suffer?, cf. Matt. 5:10-16; Acts 14:22; Rom. 5:3-4; 8:17-18; Phil. 1:29; 1 Thess. 3:3; 2 Tim. 3:12; James 1:2; 1 Pet. 1:6-9; 2:11; 3:14; 4:12-17; 5:10; Rev. 11:7; 13:7; also note Special Topic: A Suffering Messiah).
The spiritual battle may be related contextually to the PRESENT PASSIVE IMPERATIVE, "be filled with the Spirit," of Eph. 5:18 and the PRESENT PASSIVE (or MIDDLE, see note at Eph. 5:22) IMPERATIVE "be made strong in the Lord," Eph. 6:10. As the filling is related to daily Christlikeness (Col. 3:16) so too, is the spiritual battle. People are priority with God. The battleground is interpersonal relationships on a daily basis. Only people are eternal. Although these PASSIVES speak of God's power, the Christian must allow the Spirit to work in their lives. Covenant involves two parties, two choices (see Special Topic: Covenant).
We must be careful of two extremes:
1. Satan causes everything.
2. There is no personal evil.
3. I assume, because of OT monotheism, that Satan is a created being and a controlled being (cf. 1 Kgs. 22:19-23; Job 1-2; Zech. 3:1-5). He is neither omnipresent, nor omniscient.
4. Satan has been mentioned earlier in the letter in Eph. 2:2 and 4:14,27! He is only one of three enemies that Christians face daily—the world, Satan (and his), and the flesh (cf. Eph. 2:2-3; James 4).
God provides our spiritual armor and weapons, but believers must
1. recognize the daily spiritual battle
2. avail themselves, by faith, of God's resources (i.e. Rom. 13:12-14; 1 Thess. 5:8)
3. stand (cf. Eph. 6:11,13,14); spiritual maturity is not automatic, nor is it based on longevity, IQ (i.e. intelligence), or giftedness (see Special Topic: Stand)
I have always been told there is one offensive weapon for the believer, but I think there are two.
1. knowledge of the Word of God, Eph. 6:17
2. prayer, Eph. 6:18-19 (notice the inclusiveness of believers' prayers by the five "alls"; see Special Topic: Effective Prayer)
Ephesians 6:21-22 is almost identical to Col. 4:7-8. This is additional evidence of the close relationship between these two books. However, it is interesting that the entire discussion of spiritual warfare is omitted in Colossians. Each book has its own uniqueness.
Some books that have helped me on this controversial issue are:
1. Kurt E. Koch, Christian Counseling and the Occult
2. Merrill F. Unger, Demons in the World Today: A Study of Occultism in Light of God's Word
3. Anton Clinton, Three Crucial Questions About Spiritual Warfare

I have recently (2023) become aware of another evangelical Bible teacher, Steve Gregg, who has done 8 audio tapes on the subject of spiritual warfare that I found very helpful. Please listen to them.

www.thenarrowpath.com
YouTube video, "Spiritual Warfare"

I would also like to recommend Joseph Jordan's book, Piercing the Cosmic Veil, which describes the power of Jesus' name in UFO encounters (see www.josephjordan.com or The CE4 Research Group).

Special Topic: Demons (fallen Angels) and UFOs, IV.