Sexual Immorality as Sin Against Oneself in Scripture
The Apostle Paul states that "Every sin that a person commits is outside his body, but the one who commits sexual immorality sins against his own body" (1 Corinthians 6:18 LEB) [1]. This passage highlights a unique aspect of sexual immorality compared to other sins. While all sin is a transgression of God's law [5] and ultimately against God [4, 11], sexual immorality carries a particular consequence for the individual's own physical being.
The context of 1 Corinthians 6:18 is Paul's exhortation to the Corinthian church to "flee sexual immorality" [1, 2]. The letter addresses various issues within the community, including reports of sexual immorality "as is not even named among the Gentiles" [3]. Paul emphasizes that believers have been "claimed by God" through Christ [8], and their bodies are temples of the Holy Spirit (1 Corinthians 6:19-20). Therefore, engaging in sexual immorality defiles this temple.
The concept of sinning "against oneself" in this context suggests a direct harm to the individual's own body and personhood, beyond the spiritual harm common to all sins. While other sins might involve external actions or harm to others, sexual immorality is depicted as an act that intrinsically violates the integrity of one's own body [1, 2]. The Old Testament also contains prohibitions against various sexual crimes, associating them with "shameful sin" (Hebrew zimmah) [9, 12]. The prophet Jeremiah also notes that the sinner's sin is "to his own hurt" [10].
This understanding does not diminish the gravity of other sins, which are also hateful to God [6] and demonstrate a love of self rather than God [7]. However, it underscores a specific dimension of sexual sin that impacts the individual's physical and spiritual being in a distinct way.
Sources
- I Corinthians “I Corinthians 6:18 (LEB) — Flee sexual immorality. Every sin that a person commits is outside his body, but the one who commits sexual immorality sins against his own body.”
- 1 Corinthians “Flee sexual immorality! “Every sin that a man does is outside the body,” but he who commits sexual immorality sins against his own body. -- 1 Corinthians 6:18”
- 1 Corinthians “It is actually reported that there is sexual immorality among you, and such sexual immorality as is not even named among the Gentiles, that one has his father’s wife. -- 1 Corinthians 5:1”
- 1 Corinthians “Thus, sinning against the brothers, and wounding their conscience when it is weak, you sin against Christ. -- 1 Corinthians 8:12”
- Easton's Bible Dictionary “Easton's Bible Dictionary: Sin — Is "any want of conformity unto or transgression of the law of God" (1 John 3:4; Rom. 4:15), in the inward state and habit of the soul, as well as in the outward conduct of the life, whether by omission or commission (Rom. 6:12-17; 7:5-24). It is "not a mere violation of the law of our constitution, nor of the system of things, but an offence against a personal lawgiver and moral governor who vindicates his law with penalties. The soul that sins is always conscious that his sin is (1) intrinsically vile and polluting, and (2) that it justly deserves punishment,”
- Torrey's Topical Textbook “Torrey's Topical Textbook: Pride — Is sin -- Pr 21:4. Hateful to God -- Pr 6:16,17; 16:5. Hateful to Christ -- Pr 8:12,13. Often originates in Self-righteousness. -- Lu 18:11,12. Religious privileges. -- Zep 3:11. Unsanctified knowledge. -- 1Co 8:1. Inexperience. -- 1Ti 3:6. Possession of power. -- Le 26:19; Eze 30:6. Possession of wealth. -- 2Ki 20:13. Forbidden -- 1Sa 2:3; Ro 12:3,16. Defiles a man -- Mr 7:20,22. Hardens the mind -- Da 5:20. Saints give not away. -- Ps 131:1. Respect not, in others. -- Ps 40:4. Mourn over, in others. -- Jer 13:17. Hate, in others. -- Ps 101:5. A hindrance to”
- Genesis (Presbyterian) “Jamieson, Fausset & Brown on Genesis 3:13: beguiled--cajoled by flattering lies. This sin of the first pair was heinous and aggravated--it was not simply eating an apple, but a love of self, dishonor to God, ingratitude to a benefactor, disobedience to the best of Masters--a preference of the creature to the Creator.”
- 1 Corinthians (Protestant academic) “Tyndale House on 1 Corinthians 3:23: 3:23 Just as they may now claim everything as their own, so Christ has claimed them for himself (see Rom 14:7-9), and in Christ they are ultimately claimed by God (see 1 Cor 6:19-20; 7:23).”
- Job (Protestant academic) “Tyndale House on Job 31:11: 31:11 The Hebrew term zimmah (shameful sin) is associated with sexual crimes such as incest (“wicked act,” Lev 18:17), gang-rape (“terrible . . . crime,” Judg 20:6), and prostitution (Ezek 23:49).”
- Jeremiah (Presbyterian) “Jamieson, Fausset & Brown on Jeremiah 11:17: that planted thee-- (Jer 2:21; Isa 5:2). against themselves--The sinner's sin is to his own hurt (see on Jer 7:19).”
- 1 Corinthians (Protestant academic) “Tyndale House on 1 Corinthians 8:12: 8:12 To make immature believers sin by violating their conscience is the same as sinning against Christ, who has claimed them for himself (cp. Matt 25:40, 45).”
- Leviticus (Presbyterian) “Jamieson, Fausset & Brown on Leviticus 18:24: Defile not yourselves in any of these things--In the preceding verses seventeen express cases of incest are enumerated; comprehending eleven of affinity [Lev 18:7-16], and six of consanguinity [Lev 18:17-20], together with some criminal enormities of an aggravated and unnatural character. In such prohibitions it was necessary for the instruction of a people low in the scale of moral perception, that the enumeration should be very specific as well as minute; and then, on completing it, the divine lawgiver announces his own views of these crimes, wit”