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Balancing Substitutionary Sacrifice and Justification by Faith Theologically

Justification by faith and substitutionary sacrifice represent two complementary aspects of Christian soteriology that have been articulated differently across traditions, yet both find their roots in the same scriptural witness. Romans 3:25 describes Christ as "an atoning sacrifice, through faith in his blood, for a demonstration of his righteousness through the passing over of prior sins" [3], binding together the sacrificial act and the faith-response in a single theological movement.

The Forensic Nature of Justification

Justification is fundamentally "a forensic term, opposed to condemnation," constituting "the judicial act of God, by which he pardons all the sins of those who believe in Christ, and accounts, accepts, and treats them as righteous in the eye of the law" [1]. This definition emphasizes that justification is not merely pardon but a declaration that "all the claims of the law are satisfied in respect of the justified" [1]. The Reformers insisted that this righteousness is alien—Calvin writes that a person is "justified by faith when, excluded from the righteousness of works, he by faith lays hold of the righteousness of Christ, and clothed in it appears in the sight of God not as a sinner" [12]. The Augsburg Confession similarly declares that "we are justified before God through faith in Christ, when we believe that our sins are forgiven for Christ's sake" [14].

The Sacrificial Foundation

The substitutionary sacrifice provides the objective ground upon which justification rests. Old Testament sacrifices were "an acknowledgement of sin" [2, 5], and atonement under the law required sacrifice "by priests alone" for "propitiating God" [5]. These typological sacrifices pointed forward to Christ's work, which "effected by Christ alone" the reconciliation that earlier offerings could only prefigure [6]. Jamieson-Fausset-Brown notes the "glorious paradox" that God is "just in justifying the guilty," which "the propitiation through faith in Christ's blood resolves" by providing full satisfaction to justice [9]. The cross accomplishes both reconciliation—"that he might reconcile both unto God in one body by his crosse" [4]—and the satisfaction of divine justice.

Faith as Instrumental Cause

Protestant theology consistently identifies faith as the instrumental rather than meritorious cause of justification. Charles Hodge articulates "the common doctrine of Protestants" that "faith is merely the instrumental cause of justification. It is the act of receiving and resting up" on Christ [8]. John Gill emphasizes that faith "is not the efficient cause of it, it is God that justifies, and not faith; it is not the moving cause of it, that is the free grace of God; it is not the matter of it, that is the righteousness of Christ" [11]. Faith functions as the means by which the believer appropriates the benefits of Christ's substitutionary work, not as a work that earns justification.

Tradition Contrasts

Catholic theology, while affirming the necessity of faith, integrates it differently into the justificatory process. Aquinas argues that "for the justification of the ungodly a movement of the mind is required, by which it is turned to God" [10], viewing faith as part of a transformative process rather than solely as instrumental reception. Calvin addresses this directly, noting that some "contend that we are justified by charity rather than by faith, charity being, as they say, the better virtue," but he counters that while charity may be "more fruitful," it is not "more meritorious" [7]. The distinction turns on whether justification is primarily declarative (Protestant) or transformative (Catholic).

The Relationship Between the Two

Matthew Henry observes that some "deceive themselves with a conceit that, if they offer sacrifice, that will excuse them from doing justice," but Scripture declares that "living a good life (doing justly and loving mercy) is more pleasing to God than the most pompous and expensive instances of devotion" [13]. This does not diminish the necessity of Christ's sacrifice but clarifies that the sacrifice itself was not a mechanical transaction divorced from faith. Adam Clarke notes that "justification by faith, in the boundless mercy of God, is as reasonable as it is Scriptural and necessary" [15], precisely because no human works—sacrificial or otherwise—could satisfy divine justice apart from Christ's substitutionary death.

The atonement "exhibits the Grace and mercy of God" and the "Love of Christ" [6], demonstrating that substitutionary sacrifice is not opposed to grace but is its supreme expression. The sacrifice establishes the objective basis; faith is the subjective appropriation. Both are necessary, neither is optional, and the relationship between them reflects the broader biblical pattern in which divine initiative precedes and enables human response.

Sources

  1. Easton's Bible Dictionary “Easton's Bible Dictionary: Justification — A forensic term, opposed to condemnation. As regards its nature, it is the judicial act of God, by which he pardons all the sins of those who believe in Christ, and accounts, accepts, and treats them as righteous in the eye of the law, i.e., as conformed to all its demands. In addition to the pardon (q.v.) of sin, justification declares that all the claims of the law are satisfied in respect of the justified. It is the act of a judge and not of a sovereign. The law is not relaxed or set aside, but is declared to be fulfilled in the strictest sense; an”
  2. Torrey's Topical Textbook “Torrey's Topical Textbook: Sacrifices — Divine institution of -- Ge 3:21; 1:29; 9:3; 4:4,5; Heb 11:4. To be offered to God alone -- Ex 22:20; Jdj 13:16; 2Ki 17:36. When offered to God, an acknowledgement of his being the supreme God -- 2Ki 5:17; Jon 1:16. Consisted of Clean animals or bloody sacrifices. -- Ge 8:20. The fruits of the earth or sacrifices without blood. -- Ge 4:4; Le 2:1. Always offered upon altars -- Ex 20:24. The offering of, an acknowledgment of sin -- Heb 10:3. Were offered From the earliest age. -- Ge 4:3,4. By the patriarchs. -- Ge 22:2,13; 31:54; 46:1; Job 1:5. After the d”
  3. Romans “whom God sent to be an atoning sacrifice, through faith in his blood, for a demonstration of his righteousness through the passing over of prior sins, in God’s forbearance; -- Romans 3:25”
  4. Ephesians “Ephesians 2:16 (Geneva1599) — And that he might reconcile both vnto God in one body by his crosse, and slay hatred thereby,”
  5. Torrey's Topical Textbook “Torrey's Topical Textbook: Atonement, Under the Law — Made by sacrifice -- Le 1:4,5. By priests alone -- 1Ch 6:49; 2Ch 29:24. Necessary for Propitiating God. -- Ex 32:30; Le 23:27,28; 2Sa 21:3. Ransoming. -- Ex 30:15,16; Job 33:24. Purifying. -- Ex 29:36. Offered for The congregation. -- Nu 15:25; 2Ch 29:24. The priests. -- Ex 29:31-33; Le 8:34. Persons sinning ignorantly. -- Le 4:20-35. Persons sinning wilfully. -- Le 6:7. Persons swearing rashly. -- Le 5:4,6. Persons withholding evidence. -- Le 5:1,6. Persons unclean. -- Le 5:2,3,6. Women after childbirth. -- Le 12:8. The altar. -- Ex 29:36,”
  6. Torrey's Topical Textbook “Torrey's Topical Textbook: Atonement, The — Explained -- Ro 5:8-11; 2Co 5:18,19; Ga 1:4; 1Jo 2:2; 4:10. Foreordained -- Ro 3:25; 1Pe 1:11,20; Re 13:8. Foretold -- Isa 53:4-6,8-12; Da 9:24-27; Zec 13:1,7; Joh 11:50,51. Effected by Christ alone -- Joh 1:29,36; Ac 4:10,12; 1Th 1:10; 1Ti 2:5,6; Heb 2:9; 1Pe 2:24. Was voluntary -- Ps 40:6-8; Heb 10:5-9; Joh 10:11,15,17,18. Exhibits the Grace and mercy of God. -- Ro 8:32; Eph 2:4,5,7; 1Ti 2:4; Heb 2:9. Love of God. -- Ro 5:8; 1Jo 4:9,10. Love of Christ. -- Joh 15:13; Ga 2:20; Eph 5:2,25; Re 1:5. Reconciles the justice and mercy of God -- Isa 45:21; ”
  7. CCEL (Reformed) “John Calvin, Institutes of the Christian Religion, section 73: and principal cause of our salvation. contend that we are justified by charity rather than by faith, charity being, as they say, the better virtue. This mode of arguing is easily disposed of I have elsewhere shown that what is said in the first passage refers not to true faith. In the second passage we admit that charity is said to be greater than true faith, but not because charity is more meritorious, but because it is more fruitful, because it is of wider extent, of more general service, and always flourishes, whereas the use of”
  8. CCEL (Reformed (Old Princeton)) “Charles Hodge, Systematic Theology, Vol. 3, section 25: peace. This in the last resort is the hope of all believers, whatever their theory of justification may be. Whether Papist, Remonstrant, or Augustinian, they all cast their dying eyes on Christ. “As Moses lifted up the serpent in the wilderness, even so must the Son of man be lifted up; that whosoever believeth in him should not perish, but have eternal life.” Protestant Doctrine. 4. The common doctrine of Protestants on this subject is that faith is merely the instrumental cause of justification. It is the act of receiving and resting up”
  9. Romans (Presbyterian) “Jamieson, Fausset & Brown on Romans 3:26: To declare . . . at this time--now for the first time, under the Gospel. his righteousness: that he might be just, and the justifier of him that believeth in Jesus--Glorious paradox! "Just in punishing," and "merciful in pardoning," men can understand; but "just in justifying the guilty," startles them. But the propitiation through faith in Christ's blood resolves the paradox and harmonizes the discordant elements. For in that "God hath made Him to be sin for us who knew no sin," justice has full satisfaction; and in that "we are made the righteousne”
  10. theology (Catholic (Scholastic)) “Aquinas, Summa Theologica, First Part of the Second Part (Prima Secundae), Of the Effects of Grace, Art. 4: Article: Whether a movement of faith is required for the justification of the ungodly? I answer that, As stated above (Article [3]) a movement of free-will is required for the justification of the ungodly, inasmuch as man's mind is moved by God. Now God moves man's soul by turning it to Himself according to Ps. 84:7 (Septuagint): "Thou wilt turn us, O God, and bring us to life." Hence for the justification of the ungodly a movement of the mind is required, by which it is turned to God. N”
  11. Romans (Baptist/Reformed) “John Gill on Romans 5:1: Therefore being justified by faith,.... Not that faith is at the first of our justification; for that is a sentence which passed in the mind of God from all eternity, and which passed on Christ, and on all the elect considered in him, when he rose from the dead; see Rom 4:25; nor is it the chief, or has it the chief place in justification; it is not the efficient cause of it, it is God that justifies, and not faith; it is not the moving cause of it, that is the free grace of God; it is not the matter of it, that is the righteousness of Christ: we are not justified by f”
  12. CCEL (Reformed) “John Calvin, Institutes of the Christian Religion, section 66: the witness and assertor of his righteousness. In the same manner, a man will be said to be justified by works , if in his life there can be found a purity and holiness which merits an attestation of righteousness at the throne of God, or if by the perfection of his works he can answer and satisfy the divine justice. On the contrary, a man will be justified by faith when, excluded from the righteousness of works, he by faith lays hold of the righteousness of Christ, and clothed in it appears in the sight of God not as a sinner, but”
  13. Proverbs (Nonconformist/Puritan) “Matthew Henry on Proverbs 21:3: Here, 1. It is implied that many deceive themselves with a conceit that, if they offer sacrifice, that will excuse them from doing justice, and procure them a dispensation for their unrighteousness; and this makes their way seem right, Pro 21:2. We have fasted, Isa 58:3. I have peace-offerings with me, Pro 7:14. 2. It is plainly declared that living a good life (doing justly and loving mercy) is more pleasing to God than the most pompous and expensive instances of devotion. Sacrifices were of divine institution, and were acceptable to God if they were offered in”
  14. Augsburg Confession (Lutheran) “Augsburg Confession (Lutheran, 1530), 28 Scripture also teaches that we are justified before God through: 28 Scripture also teaches that we are justified before God through faith in Christ, when we believe that our sins are forgiven for Christ’s sake. 29 Now if the Mass take away the sins of the living and the dead by the outward act justification comes of the work of Masses, and not of faith, which Scripture does not allow.”
  15. Galatians (Methodist/Wesleyan) “Adam Clarke on Galatians 2:16: Knowing that a man is not justified - See the notes on Rom 1:17; Rom 3:24 (note), Rom 3:27 (note); Rom 8:3 (note). And see on Act 13:38 (note) and Act 13:39 (note), in which places the subject of this verse is largely discussed. Neither the works of the Jewish law, nor of any other law, could justify any man; and if justification or pardon could not have been attained in some other way, the world must have perished. Justification by faith, in the boundless mercy of God, is as reasonable as it is Scriptural and necessary.”
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