Sanctification through Ordinary Christian Living and Discipleship

Sanctification is the process by which believers are made holy, a work of the Holy Spirit that brings the entire person increasingly under the influence of the new principles implanted during regeneration ^[1]. It is distinct from mere moral reformation, extending to the whole individual ^[1]. The concept involves separation to the service of God ^[2], and it is understood as the carrying on to perfection the work begun at regeneration ^[1].

The Bible presents sanctification as both a divine act and a human responsibility. God is identified as the one who effects sanctification ^[2], with specific attribution to the Father (1 Thessalonians 5:23), Christ (Hebrews 2:11; 13:12), and the Holy Spirit (Romans 15:16; 1 Corinthians 6:11) ^[2]. Believers are said to be "in Christ" for sanctification (1 Corinthians 1:2) and through Christ's atonement (Hebrews 10:10; 13:12) ^[2]. The Word of God is also a primary means of sanctification (John 17:17, 19; Ephesians 5:26) ^[2]. As 1 Timothy 4:5 states, "it is sanctified through the word of God and intercession" or "prayer" ^{[3, 4]}.

Sanctification is not a static state but an ongoing process that involves active participation in Christian living and discipleship. John Gill, a Baptist/Reformed commentator, explains that internal sanctification is a work of the Spirit, implanting spiritual life and grace, while external sanctification arises from this and manifests in a holy life and conversation ^[11]. This holiness of life is the will of God for believers (1 Thessalonians 4:3) ^[11].

Ordinary Christian practices are central to this process. Prayer is explicitly mentioned as a means of sanctification ^{[3, 4]}. John Chrysostom, an Eastern Orthodox father, connects sanctification with purification, reminding believers of their past uncleanness from which God freed them, thus fostering humility ^[10]. This purification is not by human deeds but by God's loving-kindness ^[10]. The Westminster Confession of Faith, a Presbyterian standard, describes sanctification as a "progressive work" where believers, through the power of the Holy Spirit, are enabled to die unto sin and live unto righteousness ^[1].

Discipleship, involving a commitment to Christ and His teachings, is inherently linked to sanctification. Jesus prayed for his disciples, "Sanctify them through thy truth, through thy word, for thy word is truth" (John 17:17) ^[8]. Matthew Henry, a Nonconformist/Puritan commentator, interprets this as a prayer for them to be made good and preserved, emphasizing that sanctification confirms the work already begun in them ^[8]. The disciples were already "not of the world," yet Jesus prayed for their continued sanctification ^{[8, 12]}. Jamieson, Fausset, and Brown, commentators, note that Christ "sanctified" or consecrated himself for the disciples' sake, so that they might also be consecrated, implying a dedication to God's service ^[9].

Sanctification should lead to the mortification of sin (1 Thessalonians 4:3, 4) ^[2]. It is also connected to glorifying God, which is accomplished by relying on His promises, praising Him, and doing all things to His glory (1 Corinthians 6:20) ^[7]. Adam Clarke, a Methodist/Wesleyan commentator, suggests that "sanctify yourselves" involves outward preparations like changing clothes and washing, but more importantly, preparing one's mind through meditation, reflection, and prayer to offer acceptably to the Lord ^[13].

Baptism, while primarily a public profession of faith and discipleship, also signifies a cleansing and regeneration (Acts 2:38; 22:16; Romans 6:3, 4, 11) ^{[5, 6]}. Jamieson, Fausset, and Brown connect the purification of hearts by faith, mentioned in Acts 15:9, to the "sprinkling (of the conscience by the blood of Jesus) from dead works to serve the living God" ^[14]. This highlights the inward transformation that accompanies outward acts of discipleship. The process of sanctification, therefore, is deeply intertwined with the daily walk of faith, prayer, engagement with God's Word, and active participation in the life of the Church, all empowered by the Holy Spirit.

Sources

Easton's Bible Dictionary “Easton's Bible Dictionary: Sanctification — Involves more than a mere moral reformation of character, brought about by the power of the truth: it is the work of the Holy Spirit bringing the whole nature more and more under the influences of the new gracious principles implanted in the soul in regeneration. In other words, sanctification is the carrying on to perfection the work begun in regeneration, and it extends to the whole man (Rom. 6:13; 2 Cor. 4:6; Col. 3:10; 1 John 4:7; 1 Cor. 6:19). It is the special office of the Holy Spirit in the plan of redemption to carry on this work (1 Cor. 6:1”
Torrey's Topical Textbook “Torrey's Topical Textbook: Sanctification — Is separation to the service of God -- Ps 4:3; 2Co 6:17. Effected by God. -- Eze 37:28; 1Th 5:23; Jude 1:1. Christ. -- Heb 2:11; 13:12. The Holy Spirit. -- Ro 15:16; 1Co 6:11. In Christ -- 1Co 1:2. Through the atonement of Christ -- Heb 10:10; 13:12. Through the word of God -- Joh 17:17,19; Eph 5:26. Christ made, of God, to us -- 1Co 1:30. Saints elected to salvation through -- 2Th 2:13; 1Pe 1:2. All saints are in a state of -- Ac 20:32; 26:18; 1Co 6:11. The Church made glorious by -- Eph 5:26,27. Should lead to Mortification of sin. -- 1Th 4:3,4. Ho”
I Timothy “I Timothy 4:5 (YLT) — for it is sanctified through the word of God and intercession.”
1 Timothy “For it is sanctified through the word of God and prayer. -- 1 Timothy 4:5”
Smith's Bible Dictionary “Smith's Bible Dictionary: Baptism — It is well known that ablution or bathing was common in most ancient nations as a preparation for prayers and sacrifice or as expiatory of sin. In warm countries this connection is probably even closer than in colder climates; and hence the frequency of ablution in the religious rites throughout the East. Baptism in the name of the Father, Son and Holy Ghost is the rite or ordinance by which persons are admitted into the Church of Christ. It is the public profession of faith and discipleship. Baptism signifies-- + A confession of faith in Christ; + A cleansi”
Torrey's Topical Textbook “Torrey's Topical Textbook: Baptism — As administered by John -- Mt 3:5-12; Joh 3:23; Ac 13:24; 19:4. Sanctioned by Christ's submission to it -- Mt 3:13-15; Lu 3:21. Adopted by Christ -- Joh 3:22; 4:1,2. Appointed an ordinance of the Christian church -- Mt 28:19,20; Mr 16:15,16. To be administered in the name of the Father, Son, and Holy Spirit -- Mt 28:19. Water, the outward and visible sign in -- Ac 8:36; 10:47. Regeneration, the inward and spiritual grace of -- Joh 3:3,5,6; Ro 6:3,4,11. Remission of sins, signified by -- Ac 2:38; 22:16. Unity of the Church effected by -- 1Co 12:13; Ga 3:27,2”
Torrey's Topical Textbook “Torrey's Topical Textbook: Glorifying God — Commanded -- 1Ch 16:28; Ps 22:23; Isa 42:12. Due to him -- 1Ch 16:29. For his Holiness. -- Ps 99:9; Re 15:4. Mercy and truth. -- Ps 115:1; Ro 15:9. Faithfulness and truth. -- Isa 25:1. Wondrous works. -- Mt 15:31; Ac 4:21. Judgments. -- Isa 25:3; Eze 28:22; Re 14:7. Deliverance. -- Ps 50:15. Grace to others. -- Ac 11:18; 2Co 9:13; Ga 1:24. Obligation of saints to -- 1Co 6:20. Is acceptable through Christ -- Php 1:11; 1Pe 4:11. Christ, an example of -- Joh 17:4. Accomplished by Relying on his promises. -- Ro 4:20. Praising him. -- Ps 50:23. Doing all ”
John (Nonconformist/Puritan) “Matthew Henry on John 17:17: The next thing he prayed for for them was that they might be sanctified; not only kept from evil, but made good. I. Here is the petition (Joh 17:17): Sanctify them through thy truth, through thy word, for thy word is truth; it is true - it is truth itself. He desires they may be sanctified, 1. As Christians. Father, make them holy, and this will be their preservation, Th1 5:23. Observe here, (1.) The grace desired - sanctification. The disciples were sanctified, for they were not of the world; yet he prays, Father sanctify them, that is, [1.] "Confirm the work of s”
John (Presbyterian) “Jamieson, Fausset & Brown on John 17:19: And for their sakes I sanctify--consecrate. myself that they also might--may. be sanctified--consecrated. The only difference between the application of the same term to Christ and the disciples is, as applied to Christ, that it means only to "consecrate"; whereas, in application to the disciples, it means to consecrate with the additional idea of previous sanctification, since nothing but what is holy can be presented as an offering. The whole self-sacrificing work of the disciples appears here as a mere result of the offering of Christ [OLSHAUSEN]”
CCEL/NPNF (Eastern Orthodox) “John Chrysostom, Homilies on 1 & 2 Corinthians: names of men he findeth no place for. But what is Sanctification? The Laver, the Purification. For he reminds them of their own uncleanness, from which he had freed them; and so persuades them to lowliness of mind; for not by their own good deeds, but by the loving-kindness of God, had they been sanctified. “Called to be Saints.” For even this, to be saved by faith, is not saith he, of yourselves; for ye did not first draw near, but were called; so that not even this small matter is yours altogether. However, though you had drawn near, accountabl”
1 Thessalonians (Baptist/Reformed) “John Gill on 1 Thessalonians 4:3: For this is the will of God, even your sanctification,.... Which is another reason to enforce the above exhortation. "Sanctification" is internal or external. Internal sanctification is the work of the Spirit of God, and is a principle of spiritual life in the soul, a divine and spiritual light in the understanding, a flexion of the will to the will of God, and a settlement of the affections on divine things, and is an implantation of every grace in the heart. External sanctification arises from this, and lies in holiness of life and conversation; and is what ”
John (Baptist/Reformed) “John Gill on John 17:16: They are not of the world, even as I am not of the world. These words are repeated from Joh 17:14, where they are given as a reason of the world's hatred to them; and here, as showing that they are exposed to the evil of it; and in both are used as an argument with his Father, that he would take notice of them, and preserve them. , where they are given as a reason of the world's hatred to them; and here, as showing that they are exposed to the evil of it; and in both are used as an argument with his Father, that he would take notice of them, and preserve them. John 1”
1 Samuel (Methodist/Wesleyan) “Adam Clarke on 1 Samuel 16:5: Sanctify yourselves - Change your clothes, and wash your bodies in pure water, and prepare your minds by meditation, reflection, and prayer; that, being in the spirit of sacrifice, ye may offer acceptably to the Lord.”
Acts (Presbyterian) “Jamieson, Fausset & Brown on Acts 15:9: put no difference between us and them: purifying their hearts by faith--"Purification" here refers to "sprinkling (of the conscience by the blood of Jesus) from dead works to serve the living God." (See on Co1 6:11). How rich is this brief description of the inward revolution wrought upon the genuine disciples of the Lord Jesus!”

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