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Biblical Warning Against Denying Personal Sin

The Bible consistently warns against denying personal sin, portraying it as a dangerous act that hinders spiritual growth and estranges individuals from God. This warning is rooted in the understanding that all humanity is prone to sin, and acknowledging this reality is the first step toward repentance and reconciliation [9, 13].

One of the clearest biblical statements on this topic comes from 1 John: "If we say we have no sin, we deceive ourselves, and the truth is not in us" (1 John 1:8). Matthew Henry interprets this verse as a justification for the apostle's supposition that even those in "heavenly communion" still have sin. Denying sin is seen as a form of self-deception, which prevents individuals from valuing the remedy for sin [9]. If one denies their sin, the "truth is not in them," implying a fundamental dishonesty or a rejection of reality [9].

The Old Testament also emphasizes the importance of acknowledging sin. The book of Sirach encourages, "Be not ashamed to confess thy sins" [1]. Similarly, Proverbs states, "He that covereth his sins shall not prosper: but whoso confesseth and forsaketh them shall have mercy" (Proverbs 28:13). John Gill explains that while God may cover a person's sins as an act of grace, individuals should not attempt to cover their own. This does not mean publicly exposing every sin, but rather not denying or excusing it when charged [15]. Matthew Henry further elaborates on this proverb, highlighting the "folly of indulging sin, of palliating and excusing it, denying or extenuating it, diminishing it, dissembling it, or throwing the blame of it upon others." Such attempts to cover sin will ultimately fail, as "nothing hid which shall not be revealed" [10]. Prosperity, in this context, refers to obtaining pardon and experiencing success in life [10].

The concept of confession is central to overcoming the denial of sin. God requires confession [6]. Promises of pardon and mercy are linked to confession and forsaking sin [6]. Confession should be accompanied by submission to punishment, prayer for forgiveness, self-abasement, godly sorrow, and restitution [6]. David's penitential Psalms are cited as examples of deep confessions of sin and avowals of depravity before God [13]. Isaiah's cry, "Woe is me! I am a man of unclean lips," further illustrates this recognition of personal sinfulness [13].

Denying sin can manifest as self-righteousness or spiritual pride [5]. Presumption, characterized by opposing God, willful commission of sin, and self-righteousness, is a trait of the wicked [5]. The book of Ecclesiastes warns against allowing one's mouth to lead into sin, and then protesting that it was a mistake, which can provoke God's anger [2]. This suggests that denying responsibility for one's actions after committing a sin is a serious offense.

The consequences of denying sin are severe. The anger of God, though slow, is righteous and can be manifested in terrors and judgments [7]. However, this anger can be averted by Christ and by confession of sin and repentance [7]. The Augsburg Confession, a Lutheran document, emphasizes that Christ's passion was a satisfaction not only for original guilt but for "all other sins," implying that acknowledging and seeking atonement for personal sins is crucial [16].

The Bible also warns against specific forms of sin that individuals might deny or rationalize. For instance, 1 Corinthians 6:18 instructs believers to "Flee fornication. Every sin which a man may practise is without the body, but he that commits fornication sins against his own body" [3]. Matthew Henry interprets 1 Corinthians 6:9 as a warning that "the unrighteous shall not inherit the kingdom of God," and this includes "all reigning sin, nay, every actual sin committed deliberately" [14]. This highlights that denying the sinful nature of certain actions does not negate their spiritual consequences.

Self-will and stubbornness are also condemned in scripture, often stemming from unbelief and pride [4]. These attitudes can lead to refusing to hearken to God or His messengers, and rebelling against Him [4]. Such resistance to the Holy Spirit is another form of denying one's need for correction and repentance [4].

The importance of an honest conscience is also underscored. Josephus, in Antiquities of the Jews, discusses the principle that a person's own conscience should be the ultimate judge, even when no one else can convict them of wrongdoing [8]. This internal witness to sin makes denial all the more problematic.

Augustine, in his homilies on John, distinguishes between different types of sins, noting that even for those who repent, forgiveness is available. He contrasts Judas's treason with Peter's denial, suggesting that the "mischief of that sin is, that the man cannot submit to the humiliation of begging for pardon" [11]. This highlights that the denial of sin often prevents the necessary humility for repentance. Augustine also discusses the idea of committing lesser sins to prevent greater ones, but ultimately rejects the notion that one should commit "our own sins for other men's" [12]. This underscores the personal responsibility for one's own sin, which cannot be easily transferred or rationalized.

The biblical warning against denying personal sin is a call to self-awareness, humility, and honesty before God. It emphasizes that acknowledging one's fallen nature and specific transgressions is essential for receiving God's mercy and living a life aligned with His will [6, 9, 10].

Sources

  1. Sirach “Sirach 4:31 (DRC) — Be not ashamed to confess thy sins, but submit not thyself to every man for sin.”
  2. Ecclesiastes “Don’t allow your mouth to lead you into sin. Don’t protest before the messenger that this was a mistake. Why should God be angry at your voice, and destroy the work of your hands? -- Ecclesiastes 5:6”
  3. I Corinthians “I Corinthians 6:18 (Darby) — Flee fornication. Every sin which a man may practise is without the body, but he that commits fornication sins against his own body.”
  4. Torrey's Topical Textbook “Torrey's Topical Textbook: Self-Will and Stubbornness — Forbidden -- 2Ch 30:8; Ps 75:5; 95:8. Proceed from Unbelief. -- 2Ki 17:14. Pride. -- Ne 9:16,29. An evil heart. -- Jer 7:24. God knows -- Isa 48:4. Exhibited in Refusing to hearken to God. -- Pr 1:24. Refusing to hearken to the messengers of God. -- 1Sa 8:19; Jer 44:16; Zec 7:11. Refusing to walk in the ways of God. -- Ne 9:17; Ps 78:10; Isa 42:24; Jer 6:16. Refusing to hearken to parents. -- De 21:18,19. Refusing to receive correction. -- De 21:18; Jer 5:3; 7:28. Rebelling against God. -- De 31:27; Ps 78:8. Resisting the Holy Spirit. -- ”
  5. Torrey's Topical Textbook “Torrey's Topical Textbook: Presumption — A characteristic of the wicked -- 2Pe 2:10. A characteristic of Antichrist -- 2Th 2:4. Exhibited in Opposing God. -- Job 15:25,26. Wilful commission of sin. -- Ro 1:32. Self-righteousness. -- Ho 12:8; Re 3:17. Spiritual pride. -- Isa 65:5; Lu 18:11. Esteeming our own ways right. -- Pr 12:15. Seeking precedence. -- Lu 14:7-11. Planning for the future. -- Lu 12:18; Jas 4:13. Pretending to prophecy. -- De 18:22. Pray to be kept from sins of -- Ps 19:13. Saints avoid -- Ps 131:1. Punishment for -- Nu 15:30; Re 18:7,8. Exemplified Builders of Babel. -- Ge 11”
  6. Torrey's Topical Textbook “Torrey's Topical Textbook: Confession of Sin — God requires -- Le 5:5; Ho 5:15. God regards -- Job 33:27,28; Da 9:20-23. Exhortation to -- Jos 7:19; Jer 3:13; Jas 5:16. Promises to -- Le 26:40-42; Pr 28:13. Should be accompanied with Submission to punishment. -- Le 26:41; Ne 9:33; Ezr 9:13. Prayer for forgiveness. -- 2Sa 24:10; Ps 25:11; 51:1; Jer 14:7-9,20. Self-abasement. -- Isa 64:5,6; Jer 3:25. Godly sorrow. -- Ps 38:18; La 1:20. Forsaking sin. -- Pr 28:13. Restitution. -- Nu 5:6,7. Should be full and unreserved -- Ps 32:5; 51:3; 106:6. Followed by pardon -- Ps 32:5; 1Jo 1:9. Illustrated -”
  7. Torrey's Topical Textbook “Torrey's Topical Textbook: Anger of God, The — Averted by Christ -- Lu 2:11,14; Ro 5:9; 2Co 5:18,19; Eph 2:14,17; Col 1:20; 1Th 1:10. Is averted from them that believe -- Joh 3:14-18; Ro 3:25; 5:1. Is averted upon confession of sin and repentance -- Job 33:27,28; Ps 106:43-45; Jer 3:12,13; 18:7,8; 31:18-20; Joe 2:12-14; Lu 15:18-20. Is slow -- Ps 103:8; Isa 48:9; Jon 4:2; Na 1:3. Is righteous -- Ps 58:10,11; La 1:18; Ro 2:6,8; 3:5,6; Re 16:6,7. The justice of, not to be questioned -- Ro 9:18,20,22. Manifested in terrors -- Ex 14:24; Ps 76:6-8; Jer 10:10; La 2:20-22. Manifested in judgments and”
  8. Project Gutenberg “Flavius Josephus, Antiquities of the Jews, CHAPTER 8, section 20: of a wall, that may prevent any persons from rolling down and perishing. 38. Let him that has received any thing in trust for another, take care to keep it as a sacred and divine thing; and let no one invent any contrivance whereby to deprive him that hath intrusted it with him of the same, and this whether he be a man or a woman; no, not although he or she were to gain an immense sum of gold, and this where he cannot be convicted of it by any body; for it is fit that a man's own conscience, which knows what he hath, should in a”
  9. 1 John (Nonconformist/Puritan) “Matthew Henry on 1 John 1:8: Here, I. The apostle, having supposed that even those of this heavenly communion have yet their sin, proceeds here to justify that supposition, and this he does by showing the dreadful consequences of denying it, and that in two particulars: - 1. If we say, We have no sin, we deceive ourselves, and the truth is not in us, Jo1 1:8. We must beware of deceiving ourselves in denying or excusing our sins. The more we see them the more we shall esteem and value the remedy. If we deny them, the truth is not in us, either the truth that is contrary to such denial (we lie i”
  10. Proverbs (Nonconformist/Puritan) “Matthew Henry on Proverbs 28:13: Here is, 1. The folly of indulging sin, of palliating and excusing it, denying or extenuating it, diminishing it, dissembling it, or throwing the blame of it upon others: He that thus covers his sins shall not prosper, let him never expect it. He shall not succeed in his endeavour to cover his sin, for it will be discovered, sooner or later. There is nothing hid which shall not be revealed. A bird of the air shall carry the voice. Murder will out, and so will other sins. He shall not prosper, that is, he shall not obtain the pardon of his sin, nor can he have a”
  11. Schaff ANF/NPNF (Patristic) “NPNF1 Vol 7: Augustine — Homilies on John — 1 JOHN V. 1-3. (part 19): pray God that it may not be laid to their charge." This difference of sins it is that distinguishes Judas with his treason from Peter with his denial. Not that to him who repenteth there is to be no forgiveness: lest we go against that sentence of the Lord, in which He commands always to forgive the brother who asks his brother's forgiveness:(1) but that the mischief of that sin is, that the man cannot submit to the humiliation of begging for pardon, even when he is forced by his evil conscience both to acknowledge and to pu”
  12. Schaff ANF/NPNF (Patristic) “NPNF1 Vol 3: Augustine — On the Holy Trinity — TO CONSENTIUS: AGAINST LYING. (part 20): seem even worse than incest even incest shall be pronounced meet to be done by us, if in such wise it can be wrought that that impiety be not commuted by others: and in each several kind of sins, both thefts for thefts, and lewdness for lewdness, and incest for incest, shall be accounted meet to be done: our own sins for other men's, not only less for greater, but even if it come to the very highest and worst fewer for more; if the stress of affairs so turns, that otherwise other men would not abstain from ”
  13. CCEL (Reformed (Old Princeton)) “Charles Hodge, Systematic Theology, Vol. 2, section 50: that he abhorred himself, and repented in dust and ashes. David’s Penitential Psalms are filled not only with the confessions of sin, but also with the avowals of his deep depravity in the sight of God. Isaiah cried out, Woe is me! I am a man of unclean lips, and I dwell among a people of unclean lips. The ancient prophets, even when sanctified from the womb, pronounced their own righteousnesses as filthy rags. What is said of the body politic is everywhere represented as true of the individual man. The whole head is sick, and the whole h”
  14. 1 Corinthians (Nonconformist/Puritan) “Matthew Henry on 1 Corinthians 6:9: Here he takes occasion to warn them against many heinous evils, to which they had been formerly addicted. I. He puts it to them as a plain truth, of which they could not be ignorant, that such sinners should not inherit the kingdom of God. The meanest among them must know thus much, that the unrighteous shall not inherit the kingdom of God (Co1 6:9), shall not be owned as true members of his church on earth, nor admitted as glorious members of the church in heaven. All unrighteousness is sin; and all reigning sin, nay, every actual sin committed deliberately”
  15. Proverbs (Baptist/Reformed) “John Gill on Proverbs 28:13: He that covereth his sins shall not prosper,.... God may cover a man's sins, and it is an instance of his grace, and it is the glory of it to do it, but a man may not cover his own: it is right in one good man to cover the sins of another, reproving him secretly, and freely forgiving him; but it is wrong in a man to cover his own: not that any man is bound to accuse himself before a court of judicature, or ought to expose his sins to the public, which would be to the hurt of his credit, and to the scandal of religion; but whenever he is charged with sin, and reprov”
  16. Augsburg Confession (Lutheran) “Augsburg Confession (Lutheran, 1530), 24 Concerning these opinions our teachers have given warning that: 24 Concerning these opinions our teachers have given warning that they depart from the Holy Scriptures and diminish the glory of the passion of Christ. For Christ’s passion 25 was an oblation and satisfaction, not for original guilt only, but also for all other sins, as it is written to the Hebrews 10:10: 26 We are sanctified through the offering of Jesus Christ once for all. Also, Hebrews 10:14: 27By one offering He hath perfected forever them that are sanctified. [It is an unheard-of inno”
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