1. Overview and Structure Ephesians divides into two parts: Theological Teachings (Ch. 1–3): Focuses on spiritual blessings in Christ, redemption, and God’s eternal plan for salvation. Practical Instructions (Ch. 4–6): Guides Christian living with an emphasis on unity, love, relationships, and spiritual warfare. 2. Key Themes Spiritual Blessings: Believers receive redemption, forgiveness, and unity in Christ (Eph. 1:3-14). God’s Eternal Plan: Revealed to unite all things under Christ (Eph. 1:9-10, 3:6). Unity in the Church: The church, Christ’s body, embodies unity and purpose (Eph. 1:22-23). Christian Living: Encourages humility, love, and mutual submission (Eph. 4:1-6:9). Spiritual Warfare: Believers must equip the armor of God to resist evil forces (Eph. 6:10-18).