Discipline, discipleship, and imago Dei

The redemptive narrative of the Bible hinges on the foundation of God’s unchanging character; however, the Bible also makes clear that humans have a choice to make about our response to God’s restoration plan for creation. The creation story became muddied when humans sought understanding and knowledge apart from God, and the brokenness of those decisions still impacts our lives today. What remains constant is God’s character, his love for creation, and our opportunity to reciprocate covenant faithfulness back to God in our relationship with him and our partnering in his redemption plan.

Discipline, discipleship, and imago Dei 

Covenant theology establishes a relational framework where human response and decision become vital factors, though God always takes the initiative [1]. Within this structure, cognitive discipline aligns with covenant faithfulness when it flows from grace rather than self-effort. After salvation through grace, believers exercise self-control and discipline to live in keeping with their salvation, not to secure or maintain standing with God [2].

Discipline leads to consistency, spiritual muscle memory, and formation—all attributes the Bible calls the process of salvation. We are not simply asked to come back to the family of God through repentance, but to respond to God’s grace through sacrificial living following the ways of Jesus.

However, the flesh can corrupt discipline into legalism—a perversion that fundamentally breaks covenant relationship. Legalism depends on human efforts to secure right standing with God, failing to grasp that salvation comes by faith rather than works [2]. This represents a decisive departure from covenant faithfulness because it attempts to replace God’s initiative with human achievement.

A deeper danger emerges when believers conflate willpower with spiritual maturity. Christians often internalize the belief that their will causes spiritual growth, assuming that insufficient willpower explains the absence of love, joy, and passion [3]. This self-reliance inverts the covenant relationship—transforming discipline from a response to grace into an attempt to generate spiritual experience through personal exertion. Although a decision to choose faithfulness to God's decrees is to be deeply internalized and decided by each individual, it's God's spirit within a person that empowers the believer to live out their image of God through his wisdom.

Discipline and Covenant Discipleship

True covenant discipline differs fundamentally. Covenant responsibility seeks through love to nurture mutual care, prevent spiritual lapses, and encourage repentance so the erring one might be restored to the body of Christ [4]. God’s covenant discipline operates as a father’s toward a child—prompted by tender love and deep concern, always educative and loving [5].

The critical distinction: discipline flowing from new life in Christ brings glory to God, while legalism seeking right standing through works competes with God’s grace [2]. Authentic covenant faithfulness requires recognizing that the invitation is to abide in God and know his strength in our weakness [3]—not to lift the Christian life through character alone.

Discipleship becomes hollow without discipline [6] because the two concepts share linguistic and theological roots. The terms “discipline” and “discipleship” derive from the same Latin root word, discere, meaning “to learn” [7]—a connection that reveals discipline as the structural foundation enabling genuine spiritual transformation.

"Shema" (שָׁמַע) means "hear," but in Hebrew implies full attention, internalizing, and responding — not passive audition but obedient reception.  

Discipleship involves devoting oneself to a teacher in order to learn from and become more like them, which for Christians means learning Jesus’s teachings and following his example in obedience through the Holy Spirit [8]. This process demands more than intellectual assent. Discipleship fundamentally engages all of one’s being, not merely the mind, as all biblical terms conveying discipleship involve more than academic engagement [8]. The Hebrew overlap between “instruction” and “discipline” illustrates this purpose—to be disciplined is to learn how to act properly [8].

Discipline functions as the mechanism through which transformation occurs. Discipline molds character and enforces correct behavior, placing a person or group in a state of good order so they function as intended [9]. Church discipline aims ultimately at redemption and restoration—the discipleship—of the offending person, conducted in the spirit of repentance, forgiveness, and graciousness [7].

Without discipline, believers lack the structured training necessary to develop Christlikeness. Just as sending an undisciplined recruit into battle sends him to his death, discipline supplies the tools necessary to handle obstacles the future holds [6]—making it inseparable from authentic discipleship.

Recognizing each person as bearing God’s image becomes central to discipleship because it reorients how disciples relate to others—moving from instrumental relationships to covenantal ones. This recognition profoundly impacts how we see every other human, meaning there are no insignificant people, no life unworthy of full respect and dignity [10].

The discipleship process involves learning to see as Jesus sees. Jesus Christ is the visible image of God, and when God created humans, his template was Jesus [11]. This means discipleship inherently requires transformation in perception—moving beyond viewing people as utilitarian or expendable to recognizing their eternal significance. Disciples are being transformed from sinfulness into the very image of Christ [11], which necessarily changes how they treat others.

This choice demands intentional practice. Over time, we learn one another’s names and stories; over time, we become true siblings in Christ; and once we reach this level of commitment, we can’t not treat people as people [11]. Discipleship isn’t merely intellectual assent to theology—it’s relational formation that trains the heart to see dignity where culture sees disposability.

As C. S. Lewis observes, the dullest person you encounter may one day be a creature you’d be tempted to worship or a horror beyond nightmare, and all day long we’re helping each other toward one of these destinations—treating immortals with the awe proper to our dealings with one another [10]. Making the choice to see image-bearers is therefore not peripheral to discipleship but constitutive of it—the practical outworking of becoming like Christ through transformed vision and transformed relationships.

The church is empowered in a way that sets itself apart from the rest of history, yet too often disqualifies itself from this power by the lack of discipline surrendered to the Spirit’s power and God’s wisdom.

Discipline and discipleship are tightly interwoven in the Sermon on the Mount; this is the sermon that changed people’s understanding of the kingdom of God. It challenged religious demographics and cultural discrepancies. It undermined the pride of knowledge and challenged the human heart to war against its own understanding. It defines what following Jesus looks like (discipleship) and lays out the spiritual practices and moral formation (discipline) that produce that life.

Jesus contrasts external compliance with inward righteousness (Matt 5:20; 5:21–48). Discipleship requires disciplined interior transformation—thoughts, intentions, desires—not merely outward conformity. Disciplines (self-examination, repentance, prayer) train the heart to match the ethic.

Discipline and discipleship are interwoven together as the fabric of covenant faithfulness. The church today is empowered to foster supernatural truths, invoking the thoughts and motives of all mankind to the reality of the kingdom of God.

Jesus redefines identity (salt, light; Matt 5:13–16) and warns about the cost of true righteousness (Matt 7:21–23). Discipline disciplines identity—regular practices that shape willingness to bear cost and witness publicly. Not only are followers of Jesus called to each follower’s own formation in Christ, but the church is commissioned to restore the identity of the saints through authenticity and accountability, one disciplined decision to be surrendered to the spirit of God. 

Footnotes

[1] John H. Leith, Assembly at Westminster: Reformed Theology in the Making (Eugene, OR: Wipf & Stock, 2008), 93. 

[2] Scott Patty, Words of Grace: A 100 Day Devotional (Nashville, TN: B&H Books, 2018), 131. 

[3] Kyle Strobel and John Coe, When God Seems Distant: Surprising Ways God Deepens Our Faith and Draws Us Near (Grand Rapids, MI: Baker, 2026), 42–43. 

[4] Lionel M. Moriah and Harry Gardner, The Thirteenth Discipline: Formative and Reformative Discipline in Congregational Life (Eugene, OR: Wipf and Stock, 2011). 

[5] D. P. Kingdon, “Discipline,” in New Dictionary of Biblical Theology, ed. T. Desmond Alexander and Brian S. Rosner (Downers Grove, IL: InterVarsity Press, 2000), 448. 

[6] R. C. Sproul, The Hunger for Significance: Seeing the Image of God in Man (Phillipsburg, NJ: P&R Publishing, 2020), 119. 

[7] Peter L. H. Tie and David S. Dockery, Restore Unity, Recover Identity, and Refine Orthopraxy: The Believers’ Priesthood in the Ecclesiology of James Leo Garrett Jr. (Eugene, OR: Wipf and Stock, 2012). 

[8] Chris Byrley, “Discipleship,” in Lexham Theological Wordbook, ed. Douglas Mangum et al. (Bellingham, WA: Lexham Press, 2014). 

[9] Walter A. Elwell and Barry J. Beitzel, “Discipline,” in Baker Encyclopedia of the Bible (Grand Rapids, MI: Baker Book House, 1988), 1:631. 

[10] John S. Hammett and Katie J. McCoy, Humanity, in Theology for the People of God, ed. David S. Dockery, Nathan A. Finn, and Christopher W. Morgan (Brentwood, TN: B&H Academic, 2023), 129–130. 

[11] Scot McKnight, Laura Barringer, and Tish Harrison Warren, A Church Called Tov: Forming a Goodness Culture That Resists Abuses of Power and Promotes Healing (Carol Stream, IL: Tyndale Elevate, 2020), 128–129.