Greek Key Terms:
Context: Ephesians 6:10-17: "Put on the whole armor of God... we do not wrestle against flesh and blood, but against... spiritual forces of evil." Each piece: truth, righteousness, gospel, faith, salvation, word of God, prayer. 2 Corinthians 10:4: "The weapons of our warfare are not of the flesh but have divine power to destroy strongholds."
OT-to-OT Development:
Connections:
Christological Connection: The armor of God in Ephesians 6 is fundamentally Christ's armor shared with His people. In Isaiah 59:17, God Himself put on the breastplate of righteousness and the helmet of salvation — no human was qualified to wear it. Now Paul commands believers to put on the same armor, and this transfer is possible only because of Christ's mediatorial work. Every piece of the armor points to Christ: He is the truth (John 14:6), our righteousness (1 Corinthians 1:30), the gospel of peace (Ephesians 2:14), the object and author of faith (Hebrews 12:2), our salvation (Acts 4:12), and the living Word (John 1:1). To "put on the whole armor of God" is functionally equivalent to "put on the Lord Jesus Christ" (Romans 13:14). The weapons of spiritual warfare are "not of the flesh" (2 Cor 10:4) — echoing the Gideon principle that divine power works through humanly inadequate means. The escalation from Isaiah 59 to Ephesians 6 is the movement from God fighting alone (because no human intercessor existed) to God equipping His people to stand in His achieved victory. The command is not "go and fight" but "stand" (Ephesians 6:13, "having done all, to stand") — the same posture as Israel at the Red Sea, standing still while God fights. Already, believers are equipped with Christ's armor and stand in His victory. Not yet, the spiritual warfare continues until Christ returns and the "evil day" gives way to the eternal day when all enemies are under His feet.
Connection Method(s): Typology (Direct, Forward-Looking), Analogy — Isaiah 59:17's armor worn by God becomes armor shared with believers through Christ, functioning both as typological fulfillment (Christ wore it first at the cross) and as an enduring principle of spiritual warfare "in the Lord." ANTI-DEFAULT CHECK: Both Typology and Analogy apply — the armor transfer from God (Isaiah) to believers (Ephesians) through Christ is a genuine typological development, while the principle of fighting in God's strength rather than human power is an enduring analogy.
Trajectory: Divine Warrior
Trajectory Table: 047 - Divine Warrior (God Who Fights)