Sanctification

Enrichment Article 1

SANCTIFICATION

A biblical-theological framework.

Ordered by the arc of redemptive history.

By

Cristina Atiga

11 July 2026

God is distinct, sanctifying from the very beginning. The very first time the root word for sanctification appears in the biblical text is at the very start of history, right after the creation account, highlighting God's intentional act to set apart and honour His creation from the start.

Genesis 3:3 reads:

"Then God blessed the seventh day and sanctified it, because in it He rested from all His work which God had created and made.”¹

The Hebrew Word: wayqaddēš (from the root qadash), which highlights that sanctification involves setting apart for God's purpose and emphasises its relevance to personal spiritual growth.² Before God sanctifies any person, place, or object, He first sanctifies time itself. By declaring the Sabbath holy, He sets it apart from the other days of the week and dedicates it to rest and to deepening our relationship with Him, encouraging us to see our time as purposeful and sacred. The last thing he creates in the six days is humanity, and he celebrates forming us in His image and likeness by enjoying Him.

Furthermore, if we are to observe sanctification as an overarching narrative theme—God choosing, setting apart, and purifying a people or a person from a fallen world for His divine purposes—then this theme actually begins before its first mention in Genesis 2:3. Thematically, one could go as far as to say that the blueprint of sanctification is woven into the very first moments of creation in Genesis 1:3-4:

"Then God said, 'Let there be light'; and there was light. And God saw the light, that it was good; and God divided the light from the darkness.”³

Sanctification is fundamentally about separation—distinguishing what is holy from what is common or dark. When God creates light and immediately separates it from darkness, He gives us the ultimate cosmic image, setting the stage for what He will later do spiritually in the hearts of believers.

When it comes to humanity, the theme of sanctification—being called out and set apart by God—appears clearly long before the formal laws of holiness are given later on in the Torah. Before the nation of Israel does anything to qualify, God claims them. The firstborn are consecrated as a direct consequence of the Passover — sanctification is the fruit of redemption, not its price. This pattern — grace first, holiness following — becomes the language of the Bible's sanctification.

“These are the generations of Noah. Noah was a righteous man, blameless in his generation. Noah walked with God… For behold, I will bring a flood of waters upon the earth to destroy all flesh in which is the breath of life under heaven. Everything that is on the earth shall die. But I will establish my covenant with you, and you shall come into the ark, you, your sons, your wife, and your sons' wives with you.” - Genesis:6:9,17-18

In a world that is completely corrupted by sin, Noah is “set apart” as righteous and blameless in his generation, preserved by God for a holy purpose. What we see here is the emergence of the theme of covenant, where God makes a promise to guard those who have been graced to walk with Him as Noah did and be called righteous.

Later in Genesis 12, God makes a covenant with Abraham, setting Abraham apart and promising land and generational blessing for him and his descendants. God commands Abraham, “Get out of your country, from your family and from your father’s house, to a land that I will show you.” Genesis 12:1-3. This radical separation from a pagan background in order to follow the one true God becomes the quintessential Old Testament example of thematic sanctification.

 “For you are a people holy to the Lord your God. The Lord your God has chosen you to be a people for his treasured possession, out of all the peoples who are on the face of the earth. It was not because you were more in number than any other people that the Lord set his love on you and chose you, for you were the fewest of all peoples, but it is because the Lord loves you and is keeping the oath that he swore to your fathers, that the Lord has brought you out with a mighty hand and redeemed you from the house of slavery, from the hand of Pharaoh king of Egypt. Know therefore that the Lord your God is God, the faithful God who keeps covenant and steadfast love with those who love him and keep his commandments, to a thousand generations,” - Deuteronomy 7:6–9

Israel's holiness is rooted in God’s gracious covenantal love, not human merit. These two examples of Noah and Abraham being chosen and set apart by God had nothing to do with their own merit. In fact, quite the opposite. Noah was found drunk and naked in a tent that was pitched in a vineyard he had planted, while his sons looked on in shame (Genesis 9:20-24). Abraham, amongst other things, would father a child outside his marriage, named Ishmael, whilst he awaited his promised son Isaac (Genesis 16). These men would not be the best examples of righteousness based on their own merit, but are pictures of God’s grace being extended to fallible humans, to set them apart for His glory. We are being set apart to meet a Holy God.

“The Lord said to Moses, “Go to the people and consecrate them today and tomorrow, and let them wash their garments and be ready for the third day. For on the third day the Lord will come down on Mount Sinai in the sight of all the people.  And you shall set limits for the people all around, saying, ‘Take care not to go up into the mountain or touch the edge of it. Whoever touches the mountain shall be put to death.  No hand shall touch him, but he shall be stoned or shot; whether beast or man, he shall not live.’ When the trumpet sounds a long blast, they shall come up to the mountain.”  So Moses went down from the mountain to the people and consecrated the people; and they washed their garments.” (Exodus 19:10-14)

God, by nature, is holy. In Leviticus, he reminds His worshipers: For I am the Lord your God. Consecrate yourselves therefore,and be holy, for I am holy (Leviticus 11:44).⁴ In order for us to enter into proximity with Him, we need to be made Holy. It is this relational proximity that humanity enjoys with God that is the ultimate purpose of sanctification. This theme threads through the whole Bible: nearness to God requires being made fit for nearness to God.

In Exodus 29:43-46, God sanctifies the tabernacle, altar, priests, and people by His presence dwelling among them in His designated meeting place.

“There I will meet with the people of Israel, and it shall be sanctified by my glory.” (Vs 43)

In the Old Testament, as followers of God, you approach holiness through elaborate preparation. In Christ, holiness has approached you.

As we venture in to the psalms, it is clear that the author rejects any view of holiness that is merely ritual or merely private. Sanctification reaches both the hidden heart and the visible hands - shaping what you love an how you live among other. The two dimensions of Holiness expressed as inward purity and outward integrity. Ps 24:3-6 reads:

“Who shall ascend the hill of the Lord?

    And who shall stand in his holy place?

He who has clean hands and a pure heart,

    who does not lift up his soul to what is false

    and does not swear deceitfully.

He will receive blessing from the Lord

    and righteousness from the God of his salvation.

Such is the generation of those who seek him,

    who seek the face of the God of Jacob.”

Psalm 15 describes the character of he one who dwells with God, displaying integrity, justice and truthful speech and Davids prayer for inward renewal after sin in Psalm 51:10-12 displays a longing for true sanctification.

Enter the prophetic message - a new heart for a new covenant. The prophets then diagnose Israel's deepest problem: the law could instruct holiness but could never produce it. So the promise shifts—away from external command toward internal transformation. This is the hinge on which the whole Bible turns toward the gospel. Ezekiel 36:25-27 reads:

I will sprinkle clean water on you, and you shall be clean from all your uncleannesses, and from all your idols I will cleanse you.  And I will give you a new heart, and a new spirit I will put within you. And I will remove the heart of stone from your flesh and give you a heart of flesh. And I will put my Spirit within you, and cause you to walk in my statutes and be careful to obey my rules.

Here the cleansing, a new heart, and God's own Spirit placed within is emphasized. Consequently, in Isaiah 35:8-19, the “way of holiness,” sanctification pictured as a pilgrimage toward God’s kingdom is depicted.

“And a highway shall be there,

    and it shall be called the Way of Holiness;

the unclean shall not pass over it.

    It shall belong to those who walk on the way;

    even if they are fools, they shall not go astray.

No lion shall be there,

    nor shall any ravenous beast come up on it;

they shall not be found there,

    but the redeemed shall walk there.

And the ransomed of the Lord shall return

    and come to Zion with singing;

everlasting joy shall be upon their heads;

    they shall obtain gladness and joy,

    and sorrow and sighing shall flee away.”

Every promise of Spirit‑empowered holiness in the New Testament is an extension of Ezekiel’s promise: God’s own Spirit placed within our new hearts.

In the New Testament, sanctification is often spoken of in a strikingly complete sense. Paul describes ordinary, often messy believers as “those sanctified in Christ Jesus” — not because they have already arrived, but because Christ’s finished work has decisively set them apart. Christ is the authoritative source of sanctification. At the centre of holiness stands a Person, not merely a process. In essence, you are not becoming holy in order to belong to Christ. You belong to Christ, and so you are becoming holy. In the following passages, believers are sanctified in Christ Jesus and are called to be saints - Christ becomes our sanctification and we are washed, sanctified and justified.

“To the church of God that is in Corinth, to those sanctified in Christ Jesus, called to be saints together with all those who in every place call upon the name of our Lord Jesus Christ, both their Lord and ours.” - 1 Corinthians 1:2

“And because of him you are in Christ Jesus, who became to us wisdom from God, righteousness and sanctification and redemption,” 1 Corinthians 1:30

“And such were some of you. But you were washed, you were sanctified, you were justified in the name of the Lord Jesus Christ and by the Spirit of our God.” 1 Corinthians 6:11

Hebrews 10:10-14 emphasizes our “positional and progressive” sanctification - that we are sanctified once and for all through Christ’s sacrifice, and being sanctified still - the “already and not yet” captured in Hebrews 10:14

“For by a single offering he has perfected for all time those who are being sanctified.”

Hebrews 2:10-11 reveals to us that we are one with Christ - the ground for the sanctified life:

“For it was fitting that he, for whom and by whom all things exist, in bringing many sons to glory, should make the founder of their salvation perfect through suffering. For he who sanctifies and those who are sanctified all have one source. That is why he is not ashamed to call them brothers”

Paul’s ethics never float free from theology. Believers do not pursue holiness as isolated individuals gritting their teeth; they pursue it as those who have died and been raised with Christ. Sanctification is your new identity working itself out, not a project of self‑improvement. Effort-based theology says “become who you're not yet.” Union-with-Christ theology says, “Become who you already are.”

“What shall we say then? Are we to continue in sin that grace may abound? By no means! How can we who died to sin still live in it? Do you not know that all of us who have been baptized into Christ Jesus were baptized into his death? We were buried therefore with him by baptism into death, in order that, just as Christ was raised from the dead by the glory of the Father, we too might walk in newness of life. For if we have been united with him in a death like his, we shall certainly be united with him in a resurrection like his.  We know that our old self was crucified with him in order that the body of sin might be brought to nothing, so that we would no longer be enslaved to sin. For one who has died has been set free from sin. Now if we have died with Christ, we believe that we will also live with him. We know that Christ, being raised from the dead, will never die again; death no longer has dominion over him. For the death he died he died to sin, once for all, but the life he lives he lives to God. So you also must consider yourselves dead to sin and alive to God in Christ Jesus.Let not sin therefore reign in your mortal body, to make you obey its passions. Do not present your members to sin as instruments for unrighteousness, but present yourselves to God as those who have been brought from death to life, and your members to God as instruments for righteousness. For sin will have no dominion over you, since you are not under law but under grace.” - Romans 6:1-14

Here Paul reminds us that we are dead to sin and alive to God - the union with Christ. Moreover, Galatians 2:20 and Colossians 3:1-17 brings us to ur new identity positionally, we have been raised with Christ therefore, progressively we ditch the old (putting off the old self) and don the new.

The pursuit of holiness in the New Testament is never a solo human project. It's the Spirit's ongoing, active work — producing what will power alone cannot. As previously mentioned, this is Ezekiel 36 made real: God's own Spirit inside His people. Romans 8:1-17 implies sanctification is impossible without Him:

“There is therefore now no condemnation for those who are in Christ Jesus.For the law of the Spirit of life has set you free in Christ Jesus from the law of sin and death. For God has done what the law, weakened by the flesh, could not do. By sending his own Son in the likeness of sinful flesh and for sin he condemned sin in the flesh, in order that the righteous requirement of the law might be fulfilled in us, who walk not according to the flesh but according to the Spirit. For those who live according to the flesh set their minds on the things of the flesh, but those who live according to the Spirit set their minds on the things of the Spirit. For to set the mind on the flesh is death, but to set the mind on the Spirit is life and peace. For the mind that is set on the flesh is hostile to God, for it does not submit to God's law; indeed, it cannot. Those who are in the flesh cannot please God. You, however, are not in the flesh but in the Spirit, if in fact the Spirit of God dwells in you. Anyone who does not have the Spirit of Christ does not belong to him. But if Christ is in you, although the body is dead because of sin, the Spirit is life because of righteousness.If the Spirit of him who raised Jesus from the dead dwells in you, he who raised Christ Jesus from the dead will also give life to your mortal bodies through his Spirit who dwells in you. So then, brothers, we are debtors, not to the flesh, to live according to the flesh. For if you live according to the flesh you will die, but if by the Spirit you put to death the deeds of the body, you will live. For all who are led by the Spirit of God are son sof God. For you did not receive the spirit of slavery to fall back into fear, but you have received the Spirit of adoption as sons, by whom we cry, “Abba! Father!” The Spirit himself bears witness with our spirit that we are children of God, and if children, then heirs—heirs of God and fellow heirs with Christ, provided we suffer with him in order that we may also be glorified with him.”

If the Spirit is the agent, Scripture is the primary instrument. Jesus prays this explicitly the night before His death — truth is what sets His people apart, not mere effort or emotion. John 17:17-19 states:

"Sanctify them in the truth; your word is truth. As you sent me into the world, so I have sent them into the world. And for their sake I consecrate myself, that they also may be sanctified in truth.”

In Ephesians 5:25–2, Christ sanctifies His church “by the washing of water with the word”, Acts 20:32 reiterates that the word of grace builds up and gives an inheritance among the sanctified, and in 1 Timothy 4:4–5 it is mentioned that even ordinary things made holy through God's word and prayer.

Paul holds two tenses together without apparent tension: you are sanctified, and you are being sanctified. This is not a contradiction; it is the shape of grace. God finishes what He starts, and the believer works because God is already at work. The following references augment this truth:

•    Philippians 1:6 — God completes the work He begins

•    Philippians 2:12–13 — “work out your salvation…for it is God who works in you”

•    2 Corinthians 3:18 — beholding Christ's glory, being transformed “from one degree of glory to another”

•    2 Corinthians 7:1 — actively pursuing holiness out of reverence for God

•  2 Peter 1:3–11 — diligently cultivating virtue because God has already given everything needed for godliness

•    Romans 6:19–23; 8:28–30 — obedience deepens holiness; the goal is Christlikeness

Sanctification is forged through trial, discipline, and suffering. Scripture refuses to romanticize holiness. It is not formed only in comfortable seasons of devotion; more often, it is forged in fire. A father’s discipline (Hebrews 12:10-14), the pressure of trial (James 1:2-4), a Nazarite’s voluntary sacrifice (Numbers 6:1-21) — all are instruments God uses to shape a depth of character that ease could never produce. In Hebrews, the author encourages believers to live out their faith amid these challenges. Their resolve should come from the superiority of Jesus’s ministry, as the author emphasizes “the unmatched, eternal high priesthood of Jesus Christ, the once-for-all character of his substitutionary sacrifice, and particularly the inauguration of the new covenant.⁵

Sanctification is corporate and missional. From Sinai to Revelation, holiness is never merely private. Israel is sanctified as “a kingdom of priests” for the nations; the church is a holy temple, a holy nation, precisely so the watching world can see something of God. Holiness has always had an audience beyond the individual.

•    Exodus 19:5–6 — Israel a “kingdom of priests and a holy nation,” sanctified for mission among the nations

•    1 Corinthians 3:16–17 — the church itself is God's holy temple

•    Ephesians 4:11–16 — leaders equip the saints toward maturity within community

•    1 Peter 2:9–12 — a holy nation whose conduct displays God's excellencies among outsiders

Marny Köstenberger mentions the value of this principle “The corporate dimension of the passage is often overlooked, but note that the command to be filled is plural. Thus, Spirit-filling is more comprehensive than individual growth into maturity. The Spirit-filled community is made up of both believing Jews and Gentiles. Not only do God’s people constitute a “dwelling of God in the Spirit”—the new-covenant community as God’s temple—we also reflect unity within diversity. It is in the genuineness of our unity as God’s people that we’re the “dwelling of God,” and only in this way can we achieve true maturity—the fullness of Christ—as we function in holiness as a healthy, diverse community of God”⁶

Finally the following scriptures lead to the final consummation: Holiness perfected in the new creation.

•    Revelation 19:7–8 — the Bride clothed in fine linen: the righteous deeds of the saints

•   Revelation 21:1–7 — the New Jerusalem, the dwelling place of God's holy people, echoing Exodus 29's promise of presence

•    Revelation 22:11 — “Let the holy still be holy” — even at Scripture's close, holiness remains the defining mark of the redeemed

The Bible’s final chapters resolve everything the opening chapters begin. Eden’s sanctified seventh day finds its fulfillment in an eternal, unbroken dwelling of God with His people — a Bride at last, fully clothed in righteousness.

SUMMARY AND CONCLUSIONS

One of the main critical tensions I have observed in most believers today is trying to make sense of why they can’t seem to overcome their sinful patterns of behavior even after they have decided to follow Christ. Drawing from this research, it is recognized that there truly is a need for the church to understand the true nature of sanctification.

“Church historian Richard Lovelace, who called this “the sanctification gap”—the chasm between people’s best intentions and their inadequate understanding of what the Scriptures teach on sanctification. According to Lovelace, evangelicalism, throughout its history, and in keeping with its Reformation heritage, has focused primarily on justification at conversion as well as on general doctrinal orthodoxy and activities such as church involvement, evangelism, and missions. As a result, the tendency within evangelicalism has often been to emphasize the product rather than the process—doing rather than being, and activity rather than character growth and spiritual development. Porter laments that “in the absence of a robust theology of sanctification, various erroneous models of spiritual growth have emerged that confuse and disillusion many.”⁷

There is a necessity for the church today to be propelled back to the gospel message of sanctification and how we as a people are called to holiness in light of this narrative. The constant tendency of believers to fall back into striving as a means to “acquire” salvation or simply “perform” to earn His love is to be recognized, repented off and reckoned as dead. We are unaware that other motives besides God’s sacrificial love have corrupted our pathway to our originally intended spiritual formation - which is ultimately our pathway to our closest proximity with our Creator.

As we are described human in the narrative, our proclivity is to be idol makers and these idols could look like processes, strategies and framework that are fleshly gestated to “achieve” sanctification. Once engaged in these practices that may seemingly defeat sin and tear down strongholds, we find ourselves discouraged, weary and confused - where are the breakthroughs that were promised to partner with salvation?

This biblical survey has led me to conclude that there are two critical problems observed within the church today: the devaluation of pursuing sound doctrinal teachings on Sanctification and the atrocious neglect of the Holy Spirit. The word of God is indeed the means for ongoing sanctification yet not much importance is given to consulting scripture as the basis for transformation. We are indeed bombarded with partial truth strategies that make it more convenient for us to deliver partial obedience, because we avoid the pain that comes with the progress. We have forgotten to Shema.⁸ Moreover, we have forgotten to honour the Holy Spirit, to long for His presence that is made available to us, to engage Him, to love Him. How can we even think that we can progress without Him? Scripture is the primary instrument to sanctification and the Holy Spirit is the primary Person to bring about transformation.

With these revelations, I am propelled to seek and do my missional portion. I am motivated knowing this - that sanctification is the long argument of Scripture: the God who set apart a seventh day in Genesis will, in the end, dwell forever with a people fully set apart for Him.

BIBLIOGRAPHY

Bridges, Jerry. The Pursuit of Holiness. Colorado Springs: Navpress, 1978.

The Holy Bible: English Standard Version. Wheaton, IL: Crossway Bibles, 2025.

Finney, Charles G., and James Harris Fairchild. 1878. Finney’s Lectures on Systematic Theology. Grand Rapids: Eerdmans.

Köstenberger, Marny. Sanctification as Set Apart and Growing in Christ. Edited by Dane C. Ortlund and Miles V. Van Pelt. Short Studies in Biblical Theology. Wheaton, IL: Crossway, 2023.

Mackie, Tim “What's the Meaning of the Jewish Shema Prayer in the Bible?”, Accessed July 10, 2022 https://bibleproject.com/articles/what-is-the-shema/