John Calvin's view of sanctification is central to his theology, reflecting his deep commitment to the sovereignty of God and the work of Christ in the believer’s life. To understand Calvin’s understanding of sanctification, we must first grasp the foundational aspects of his theological system, especially the doctrines of justification, regeneration, and union with Christ, all of which interconnect in the process of sanctification.
Calvin’s Doctrine of Sanctification
In the Reformed tradition, sanctification refers to the ongoing work of God in the life of a believer, making them more like Christ through the power of the Holy Spirit. Calvin does not separate justification from sanctification, though he does distinguish between them. Justification is God’s declaration of righteousness upon the believer, based solely on Christ’s atoning work. Sanctification, however, is the transformation of the believer’s life and character, a process that occurs after justification and continues throughout the believer’s life.
1.
For Calvin, sanctification is ultimately the work of God. He emphasizes that the believer, in their own strength, cannot attain holiness. It is God who works in the believer’s life through the Holy Spirit, who indwells and empowers them to live a holy life. Calvin writes in his
Institutes of the Christian Religion that “the whole process of sanctification is carried out by the Spirit of God.”^1 He speaks of the Holy Spirit as the agent of sanctification, who transforms the heart, renews the mind, and enables the believer to overcome sin.
Calvin stresses that sanctification is not merely about external conformity to moral laws but a deep internal transformation. It is the renewal of the believer’s heart and mind, producing true holiness. In the
Institutes (Book III, Chapter 3), he states:
“Sanctification, which is the work of God’s Spirit, consists in the daily renewal of the believer in righteousness and true holiness, which is continually perfected in the believer's life.”^2
2.
Central to Calvin’s doctrine of sanctification is the believer’s union with Christ. Calvin often teaches that sanctification is not a self-generated or autonomous process, but is grounded in the believer’s mystical union with Christ through faith. The believer’s identification with Christ’s death and resurrection (Romans 6:4) is pivotal in the process of sanctification. Calvin sees Christ as the sanctifier, and it is by being united to Christ that believers receive the transformative power of the Holy Spirit.
For Calvin, union with Christ is not just a legal or forensic bond but a living, organic union. In his commentary on 1 Corinthians 1:30, Calvin writes:
“Christ is made to us sanctification, not by any external rite or ceremony, but by the power of the Holy Spirit, through whom we are made partakers of His life, His purity, and His righteousness.”^3
Thus, sanctification is a participation in the life of Christ, with the believer being conformed more and more to His image.
3.
Calvin maintains that the law is crucial in the process of sanctification, though it is not the means by which justification is attained. While the law cannot justify, it still serves as a guide to the Christian life, revealing the moral will of God. Calvin teaches that the law functions as a mirror, reflecting both the righteousness of God and the believer’s shortcomings. The law, in this way, drives believers to Christ for grace and then directs them in their sanctification, leading them toward godliness.
Furthermore, Calvin underscores the necessity of the means of grace—primarily the Word, sacraments, and prayer—in the believer's sanctification. The preaching of the Word, in particular, is crucial in this process, as it is through the Word that the Holy Spirit works to convict, encourage, and strengthen believers in their walk with Christ. In
Institutes III, 2, Calvin remarks:
"For by the Word of God we are called, by the Word of God we are strengthened, and by the Word of God we are perfected."^4
4.
Calvin does not teach that sanctification is a completed work at conversion. Rather, it is a lifelong process. The believer is progressively conformed to the image of Christ through the work of the Spirit. This progressive nature of sanctification aligns with Calvin’s emphasis on perseverance. He acknowledges that Christians continue to struggle with sin, but the process of sanctification ensures that sin’s dominion is progressively weakened.
Calvin describes sanctification as a "battle" against remaining sin. This tension between the already and the not yet of sanctification is a key aspect of his doctrine. While believers are already justified and made positionally holy in Christ, they are yet being sanctified in their practical experience. Calvin writes:
“The battle against sin and the flesh is ongoing until the day of our final redemption when we will be made completely holy in the presence of God.”^5
This anticipates the final glorification, which will fully complete the work of sanctification in the believer's life.
Summary: Calvin’s View of Sanctification in Reformed Thought
John Calvin's view of sanctification is deeply theological and Christ-centered. It emphasizes that sanctification is an act of God, carried out by the Holy Spirit in the life of the believer. Calvin asserts that believers are sanctified by their union with Christ, who is the ultimate sanctifier. Sanctification is not an isolated or autonomous work but involves the means of grace—the Word, sacraments, and prayer. It is a progressive process, with the believer constantly growing in holiness, even as they struggle with sin. Ultimately, sanctification points to the final glory, when believers will be completely conformed to the image of Christ in the new heavens and new earth.
Calvin’s doctrine of sanctification provides a balanced view that preserves the glory of God’s work in salvation while recognizing the genuine effort required on the part of the believer to grow in grace. For the believers, this understanding of sanctification leads to a life of humble dependence on God's grace, a life marked by both spiritual growth and the ongoing pursuit of holiness.
References:
- John Calvin, Institutes of the Christian Religion, III.3.3.
- John Calvin, Institutes of the Christian Religion, III.3.5.
- John Calvin, Commentary on 1 Corinthians 1:30.
- John Calvin, Institutes of the Christian Religion, III.2.8.
- John Calvin, Institutes of the Christian Religion, III.3.6.