Significance of Jesus' Dual Natures in Salvation Theology
The dual natures of Jesus Christ—fully divine and fully human—are foundational to Christian salvation theology. This doctrine asserts that Jesus possesses both the complete nature of God and the complete nature of humanity, without mixture or confusion, yet in one person [9].
Jesus' human nature was essential for his mediatorial office [1]. His humanity is evidenced by his conception and birth (Matthew 1:18, Luke 2:7), his partaking of flesh and blood (John 1:14, Hebrews 2:14), and his experience of human emotions and physical limitations such as weeping, hungering, thirsting, sleeping, and weariness (John 11:35, Matthew 4:2, John 4:7, Matthew 8:24, John 4:6) [1]. As a human, Jesus could represent humanity and offer himself as a sacrifice for sin. The apostle Paul contrasts Adam and Christ as founders of two distinct humanities: Adam representing the natural, earthly humanity enslaved to sin and death, and Christ representing the spiritual, heavenly humanity purified and destined for life (1 Corinthians 15:45-49) [8].
His divine nature, on the other hand, provides the power and efficacy for salvation. The Father and the Son are described as two separate persons with one purpose and nature, highlighting Jesus' divinity (John 10:30) [9]. It is through God's grace, not human actions, that salvation is achieved (Ephesians 2:8-9, Titus 3:5) [2, 3]. This salvation involves being "made alive together with Christ" and sharing in his resurrection (Ephesians 2:5) [2].
Through this union with Christ, believers are given a new nature, created anew in Christ Jesus (Ephesians 2:10, 4:24) [4, 7]. This new nature signifies a departure from a life of sin and death and a transfer into a realm of life and purity through the Holy Spirit (Titus 3:5) [3]. Good works are understood as the result of this salvation, not its cause, flowing from a transformed heart by God's Spirit (Ephesians 2:10, Galatians 5:22-23) [4, 7]. Furthermore, through Christ, those who believe are fully accepted into God's family, becoming children of God (Ephesians 2:19) [5]. This union with Christ means believers share God's glory and blessings, experiencing resurrection both now and in the future (Ephesians 2:6) [6].
Sources
- Torrey's Topical Textbook “Torrey's Topical Textbook: Human Nature of Christ, The — Was necessary to his mediatorial office -- 1Ti 2:5; Heb 2:17; Ga 4:4,5; 1Co 15:21; Ro 6:15,19. Is proved by his Conception in the Virgin's womb. -- Mt 1:18; Lu 1:31. Birth. -- Mt 1:16,25; 2:2; Lu 2:7,11. Partaking of flesh and blood. -- Joh 1:14; Heb 2:14. Having a human soul. -- Mt 26:38; Lu 23:46; Ac 2:31. Circumcision. -- Lu 2:21. Increase in wisdom and stature. -- Lu 2:52. Weeping. -- Lu 19:41; Joh 11:35. Hungering. -- Mt 4:2; 21:18. Thirsting. -- Joh 4:7; 19:28. Sleeping. -- Mt 8:24; Mr 4:38. Being subject to weariness. -- Joh 4:6. ”
- Ephesians (Protestant academic) “Tyndale House on Ephesians 2:5: 2:5 gave us life when he raised Christ from the dead (literally made us alive together with Christ): Joined with Christ, believers share in his resurrection, now and in the future (see 2:6; Rom 6:4-14; Col 3:1-4). • It is only by God’s grace that you have been saved: See Eph 1:2; 2:8-9.”
- Titus (Protestant academic) “Tyndale House on Titus 3:5: 3:5 not because . . . but because: The contrast is between human actions that might be thought to merit salvation and God’s grace (see Gal 2:16). Salvation is through faith in God’s mercy alone (Eph 2:8). • He washed away our sins, giving us a new birth: See Ezek 16:9; John 3:1-15; Eph 5:26; Heb 10:22; 2 Pet 1:9. • and new life through the Holy Spirit: This signifies a complete departure from the life of sin and death and a transfer into the realm of life and purity (see also Rom 12:2; 2 Cor 5:17; Col 3:10).”
- Ephesians (Protestant academic) “Tyndale House on Ephesians 2:10: 2:10 He has created us anew in Christ Jesus, so we can do the good things he planned for us: Good works are the result, not the cause, of salvation. God’s Spirit, working through a transformed heart, produces a good life (Gal 5:22-23).”
- Ephesians (Protestant academic) “Tyndale House on Ephesians 2:19: 2:19 Gentiles who believe are no longer strangers and foreigners (2:11-12, 17). Through Christ, they are fully accepted into God’s family. They become children of God, just like believing Jews (see Rom 8:14-17).”
- Ephesians (Protestant academic) “Tyndale House on Ephesians 2:6: 2:6 united with Christ Jesus: Because of this union, believers share God’s glory and blessings, and experience resurrection both now and in the future (see Rom 6:4-14; Col 2:12-13; 3:1-4).”
- Ephesians (Protestant academic) “Tyndale House on Ephesians 4:24: 4:24 A believer has a new nature: God’s Spirit expresses his life within the believer (see Col 3:10; cp. Gen 1:26; Rom 12:1-2; Gal 5:22-23). The transforming work of God’s Spirit is part of the gift of salvation (Eph 2:8-10).”
- 1 Corinthians (Protestant academic) “Tyndale House on 1 Corinthians 15:45: 15:45-49 Adam and Christ founded two distinct humanities: One is natural and earthly, enslaved to sin and death; the other is spiritual and heavenly, purified and destined for life. Adam represents the natural (physical) body and Christ the spiritual (resurrection) body. See also 15:21-22; Rom 5:12-21. 15:45-46 Just as Christ’s life-giving Spirit supersedes the natural life, the spiritual body will supersede the physical body.”
- John (Protestant academic) “Tyndale House on John 10:30: 10:30 The Father and the Son are two separate persons with one purpose and nature (1:1, 14; 14:9; 20:28). This is the basis of Jesus’ power to protect God’s flock (10:28-29) and a stunning expression of Jesus’ divinity.”