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The lesson library / Lesson 32

Biblical holiness: belonging to God and living accordingly

Define holiness through God’s character and consecration to Him, joining inward purity with obedient conduct while distinguishing divine commands from human religious additions.

Holiness and the life of faith

Read first

Holiness is a biblical word that can acquire a surprising amount of baggage. Sometimes it means a particular appearance. Sometimes it means avoiding whatever the speaker’s community dislikes. Sometimes it is treated as a level of spiritual achievement available to especially serious Christians. Before accepting any of those uses, the word needs to be brought back to Scripture.

God is holy. His people are called to be holy because they belong to Him. That relationship supplies both the starting point and the standard. A person is not holy simply because he is unusual, strict, secluded, or visibly religious. Being different is easy. The question is whether the difference reflects the character and commands of God.

Read 1 Peter 1:13-25

13 Therefore prepare your minds for action. Be sober, and set your hope fully on the grace that will be brought to you at the revelation of Jesus Christ—
14 as children of obedience, not conforming yourselves according to your former lusts as in your ignorance,
15 but just as he who called you is holy, you yourselves also be holy in all of your behavior,
16 because it is written, “You shall be holy, for I am holy.”
17 If you call on him as Father, who without respect of persons judges according to each man’s work, pass the time of your living as foreigners here in reverent fear,
18 knowing that you were redeemed, not with corruptible things like silver or gold, from the useless way of life handed down from your fathers,
19 but with precious blood, as of a lamb without blemish or spot, the blood of Christ,
20 who was foreknown indeed before the foundation of the world, but was revealed in this last age for your sake,
21 who through him are believers in God, who raised him from the dead and gave him glory, so that your faith and hope might be in God.
22 Seeing you have purified your souls in your obedience to the truth through the Spirit in sincere brotherly affection, love one another from the heart fervently,
23 having been born again, not of corruptible seed, but of incorruptible, through the word of God, which lives and remains forever.
24 For, “All flesh is like grass, and all of man’s glory like the flower in the grass. The grass withers, and its flower falls;
25 but the Lord’s word endures forever.” This is the word of Good News which was preached to you.

Peter joins holiness with hope, redemption, obedience, and sincere love. The command reaches conduct, and its foundation is the God who calls and redeems. Holiness does not purchase the redemption described here. It is the fitting life of people who have been redeemed at such a cost.

The Bible also calls places, objects, and times holy. An altar does not develop better moral habits. A day does not repent. Those uses emphasize consecration: something is set apart for God’s appointed purpose. When people are consecrated to Him, however, their thoughts and actions matter. Belonging to the holy God cannot reasonably become an excuse to disregard His character.

This helps explain the connection with sanctification. Christians can be described as already sanctified, while also being commanded to grow in holiness. First Corinthians addresses people sanctified in Christ and then corrects serious failures. Their consecration is real; their conduct still needs correction. Hebrews 10 connects sanctification with Christ’s completed offering. Other passages speak about a continuing work in the believer’s life.

Justification answers the question of acceptance before God through Christ’s righteousness received by faith. Sanctification concerns being set apart and made holy. These blessings belong together, but they are not interchangeable. Confusing them produces either an attempt to earn acceptance through improvement or an attempt to make improvement unnecessary because acceptance is by grace.

Consider Leviticus 19. The command to be holy is followed by instructions about worship, parents, Sabbath, harvest gleanings, wages, truthful speech, fair judgment, and love of neighbor. That is a useful corrective to narrow definitions. A person who is meticulous about public religious appearance but dishonest with an employee has not discovered an advanced version of holiness.

The chapter also requires careful reading. Israel’s national and sanctuary setting matters. Christ’s completed sacrifice matters. The continuing significance of God’s commands must be examined rather than assumed away or transferred without thought. In this series, seventh-day Sabbath and biblical clean-food observance are treated as obedience. They are not treated as a price paid for salvation or a substitute for justice, mercy, and love.

Read Colossians 2:13-23

13 You were dead through your trespasses and the uncircumcision of your flesh. He made you alive together with him, having forgiven us all our trespasses,
14 wiping out the handwriting in ordinances which was against us. He has taken it out of the way, nailing it to the cross.
15 Having stripped the principalities and the powers, he made a show of them openly, triumphing over them in it.
16 Let no one therefore judge you in eating or drinking, or with respect to a feast day or a new moon or a Sabbath day,
17 which are a shadow of the things to come; but the body is Christ’s.
18 Let no one rob you of your prize by self-abasement and worshiping of the angels, dwelling in the things which he has not seen, vainly puffed up by his fleshly mind,
19 and not holding firmly to the Head, from whom all the body, being supplied and knit together through the joints and ligaments, grows with God’s growth.
20 If you died with Christ from the elemental spirits of the world, why, as though living in the world, do you subject yourselves to ordinances,
21 “Don’t handle, nor taste, nor touch”
22 (all of which perish with use), according to the precepts and doctrines of men?
23 These things indeed appear like wisdom in self-imposed worship, humility, and severity to the body, but aren’t of any value against the indulgence of the flesh.

Paul’s warning about human regulations does not make every command inconvenient to modern people a human invention. The question is where the command comes from. A rule authored by God and a rule authored by a religious committee are not given equal authority merely because both restrict behavior. Conversely, adding more restrictions does not automatically produce more holiness.

Personal disciplines can be useful. Someone may avoid an activity because it repeatedly draws him into sin. That can be wise. But there is a difference between saying, “This is a boundary I need,” and saying, “God condemns everyone who does not adopt my boundary.” The second claim requires biblical authority that the first does not necessarily claim.

The same care applies to outward conduct. Jesus condemns cleansing the outside while leaving greed and wickedness within. He does not therefore praise outward wickedness. His rebuke exposes the separation between appearance and reality. Inner renewal should reach behavior, and behavior should express truth rather than conceal corruption.

Read Colossians 3:1-17

1 If then you were raised together with Christ, seek the things that are above, where Christ is, seated on the right hand of God.
2 Set your mind on the things that are above, not on the things that are on the earth.
3 For you died, and your life is hidden with Christ in God.
4 When Christ, our life, is revealed, then you will also be revealed with him in glory.
5 Put to death therefore your members which are on the earth: sexual immorality, uncleanness, depraved passion, evil desire, and covetousness, which is idolatry.
6 For these things’ sake the wrath of God comes on the children of disobedience.
7 You also once walked in those, when you lived in them,
8 but now you must put them all away: anger, wrath, malice, slander, and shameful speaking out of your mouth.
9 Don’t lie to one another, seeing that you have put off the old man with his doings,
10 and have put on the new man, who is being renewed in knowledge after the image of his Creator,
11 where there can’t be Greek and Jew, circumcision and uncircumcision, barbarian, Scythian, bondservant, or free person; but Christ is all, and in all.
12 Put on therefore, as God’s chosen ones, holy and beloved, a heart of compassion, kindness, lowliness, humility, and perseverance;
13 bearing with one another, and forgiving each other, if any man has a complaint against any; even as Christ forgave you, so you also do.
14 Above all these things, walk in love, which is the bond of perfection.
15 And let the peace of God rule in your hearts, to which also you were called in one body, and be thankful.
16 Let the word of Christ dwell in you richly; in all wisdom teaching and admonishing one another with psalms, hymns, and spiritual songs, singing with grace in your heart to the Lord.
17 Whatever you do, in word or in deed, do all in the name of the Lord Jesus, giving thanks to God the Father through him.

Notice how much positive conduct belongs here. Compassion, kindness, humility, patience, forgiveness, love, and gratitude are not decorative additions to an otherwise complete holiness program. They are part of the life being commanded. Avoiding obvious scandal while cultivating contempt is not the goal.

Separation also needs definition. In John 17, Jesus asks for His people to be kept from evil while sending them into the world. In First Corinthians 5, Paul explains that avoiding all immoral people outside the church would require leaving the world. Refusing participation in sin does not mean refusing every relationship through which truth and kindness can be shown.

Hebrews says to pursue holiness, without which no one will see the Lord. That is a serious warning. It does not introduce a second payment alongside Christ’s blood. It denies that an unchanged allegiance to sin can be comfortably combined with a claim to His salvation. Saving grace brings a person into a life whose direction is holy, even while repentance remains necessary.

For a useful self-examination, ask about the ordinary places where nobody is awarding spiritual credit: the account kept honestly, the desire refused, the harsh word corrected, the person treated fairly, and the command obeyed at an inconvenience. These do not earn adoption. They reveal what belonging to the Father is beginning to look like.

Consider your perspective

Biblical holiness joins belonging to God with conduct that reflects His character. Being unusual, strict, or outwardly respectable does not itself establish holiness, and personal disciplines must not be presented as commands God never gave.

Put it into practice

Examine one standard you apply to yourself or others. Identify whether it is a biblical command, a reasoned application, or a personal discipline, and test its fruit in ordinary honesty, mercy, and love.

Reflect and respond

  • Is a proposed standard a biblical command, a contextual application, or a personal discipline?
  • Which ordinary relationships expose the reality of a claim to holiness?
  • How can separation from sin coexist with love toward unbelievers?

Passages and further study

Scripture quotations are from the public-domain World English Bible (WEB). Historical confessions are study aids, subordinate to Scripture. This independent lesson is not an official denominational statement.

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