Comparative Theology
Salvation compared
Salvation compared — Protestant, Catholic, Orthodox.
The doctrine of salvation is the deepest point of divergence among Christian traditions. It touches on the fundamental question: how can sinful humanity be reconciled with God? The Christian traditions answer in profoundly different ways.
Comparison of Soteriologies
| Tradition | Soteriological Model | Key Texts |
|---|---|---|
| Reformed Protestant | Forensic justification by imputation -- God declares the sinner righteous through the righteousness of Christ. Sola fide, sola gratia. | Rom 3:21-28; Gal 2:16; Eph 2:8-9 |
| Lutheran | Forensic justification -- Christ takes the sinner's sins, the sinner receives Christ's righteousness (admirabile commercium). Promise received by faith. | Rom 4:5; Gal 3:13; 2 Cor 5:21 |
| Catholic | Transformative justification -- infusion of grace and interior renewal. Faith + charity + hope. Human cooperation (measured synergism). Sacraments necessary. | Jas 2:24; Mt 25:31-46; Trent VI |
| Orthodox | Theosis (θέωσις) -- progressive deification. Participation in divine energies (Palamas). Salvation as restoration of the image of God. | 2 Pet 1:4; Jn 17:21-23; Gen 1:26-27 |
The Joint Declaration on Justification (JDD, 1999)
Signed in 1999 in Augsburg by the Lutheran World Federation and the Catholic Church (joined by the World Communion of Reformed Churches in 2017, and the Methodists in 2006), the JDD affirms a basic consensus: both traditions confess that "we are justified by grace alone, through faith in the saving work of Christ." This declaration does not eliminate all divergences -- but asserts that the mutual anathemas of the 16th century no longer apply to the doctrine of the other tradition.
✠ Protestant
Justification = single declarative act (not a process). Sanctification = consequence of justification, not its cause. Works are the fruit of faith, not its condition.
✟ Catholic
Justification = process including faith + charity + hope. Meritorious works participate in justification (not as primary cause, but as cooperation). Sacraments necessary.
☦ Orthodox
Salvation = progressive deification. Less centered on the sin/forgiveness (juridical) pair than on the restoration of the divine image and participation in divine energies.
📚 Pour aller plus loin
References
JDD
What is the difference between forensic justification and transformative justification?
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Forensic (Protestant): God declares the sinner righteous -- declarative act, not interior transformation. The believer is simul iustus et peccator. Transformative (Catholic): justification really changes the sinner through the infusion of grace. Faith + charity cooperate. Different anthropologies.
Divergence
What does the JDD (1999) say on justification?
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LWF and Vatican (1999): basic consensus -- justification by grace alone, through faith in Christ's saving work. The 16th-century mutual anathemas no longer apply to the other tradition's doctrine. Remaining divergences: the role of works, the sacraments, and the understanding of grace.
Luther
Sola fide vs. faith + charity -- what is the difference?
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Protestant: faith alone justifies. Works are the fruit of faith, not its condition. Catholic: 'faith without works is dead' (Jas 2:26) -- the faith that justifies is faith formed by charity. Council of Trent: anathema to anyone claiming justification by faith alone without charity.
Justification: Protestant = forensic (declarative) -- God declares righteous without interior transformation; Catholic = transformative -- infusion of sanctifying grace; Orthodox = theosis -- restoration of the image of God. Human cooperation: Protestant = no cooperation (sola gratia, sola fide); Catholic = synergism (faith + charity + hope cooperate); Orthodox = synergism, but centered on deification, not forensic justification. Sacraments: Protestant = 2 sacraments, signs of the promise for those who believe; Catholic = 7 sacraments, ex opere operato; Orthodox = 7 mysteries, means of deification. Ecumenical convergence: JDD (1999) establishes a basic consensus between Lutherans and Catholics; remaining divergences concern cooperation and the sacraments.
McGrath. Iustitia Dei. 4th ed. CUP, 2020. JDD (1999). LWF/Vatican.
Quiz -- Comparative Soteriology
2 questions
Q1/2
What does 'forensic justification' mean in Reformed Protestant soteriology?
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Reformed Protestant: justification is a forensic (declarative) act -- God declares the sinner righteous through the imputed righteousness of Christ (sola fide). This is distinct from sanctification, which follows but is not justification. Simul iustus et peccator: the justified believer remains a sinner.Q2/2
The JDD (Joint Declaration on Justification, 1999) establishes that:
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JDD (1999): basic consensus that both traditions confess justification 'by grace alone, through faith in the saving work of Christ.' The mutual 16th-century anathemas no longer apply. But divergences remain on: the role of works and merit, the sacraments, the doctrine of grace.Score
Bibliography / Bibliographie / Bibliografia
Compared soteriologies -- Catholic sources
- Trent. Decree on Justification (1547, Session VI). DH 1520-1583.
- Catechism of the Catholic Church, 1987-2029.
- Vatican II. Lumen Gentium 16; Ad Gentes 7.
Protestant soteriologies
- Luther. De servo arbitrio (1525). LW 33.
- Calvin. Institutes, III.
- Synod of Dort. Canons (1619).
- Westminster Confession (1647), chs. 11-13.
- Owen, John. The Death of Death (1648).
Orthodox soteriologies
- Athanasius. De Incarnatione. SC 199.
- Maximus the Confessor. Ambigua. PG 91.
- Palamas. Triads. Louvain, 1959.
- Lossky, V. Mystical Theology. Crestwood: SVS, 1957.
- Romanides, John. The Ancestral Sin. Ridgewood: Zephyr, 2002.
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