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Commentary on Leviticus 18 verses 6–18
These laws relate to the seventh commandment, and, no doubt, are obligatory on us under the gospel, for they are consonant to the very light and law of nature: one of the articles, that of a man's having his father's wife, the apostle speaks of as a sin not so much as named among the Gentiles, Co1 5:1. Though some of the incests here forbidden were practised by some particular persons among the heathen, yet they were disallowed and detested, unless among those nations who had become barbarous, and were quite given up to vile affections. Observe,
I. That which is forbidden as to the relations here specified is approaching to them to uncover their nakedness, Lev 18:6.
1.It is chiefly intended to forbid the marrying of any of these relations. Marriage is a divine institution; this and the sabbath, the eldest of all, of equal standing with man upon the earth: it is intended for the comfort of human life, and the decent and honourable propagation of the human race, such as became the dignity of man's nature above that of the beasts. It is honourable in all, and these laws are for the support of the honour of it. It was requisite that a divine ordinance should be subject to divine rules and restraints, especially because it concerns a thing wherein the corrupt nature of man is as apt as in any thing to be wilful and impetuous in its desires, and impatient of check. Yet these prohibitions, besides their being enacted by an incontestable authority, are in themselves highly reasonable and equitable. (1.) By marriage two were to become one flesh, therefore those that before were in a sense one flesh by nature could not, without the greatest absurdity, become one flesh by institution; for the institution was designed to unite those who before were not united. (2.) Marriage puts an equality between husband and wife. "Is she not thy companion taken out of thy side?" Therefore, if those who before were superior and inferior should intermarry (which is the case in most of the instances here laid down), the order of nature would be taken away by a positive institution, which must by no means be allowed. The inequality between master and servant, noble and ignoble, is founded in consent and custom, and there is no harm done if that be taken away by the equality of marriage; but the inequality between parents and children, uncles and nieces, aunts and nephews, either by blood or marriage, is founded in nature, and is therefore perpetual, and cannot without confusion be taken away by the equality of marriage, the institution of which, though ancient, is subsequent to the order of nature. (3.) No relations that are equals are forbidden, except brothers and sisters, by the whole blood or half blood, or by marriage; and in this there is not the same natural absurdity as in the former, for Adam's sons must of necessity have married their own sisters; but it was requisite that it should be made by a positive law unlawful and detestable, for the preventing of sinful familiarities between those that in the days of their youth are supposed to live in a house together, and yet cannot intermarry without defeating one of the intentions of marriage, which is the enlargement of friendship and interest. If every man married his own sister (as they would be apt to do from generation to generation if it were lawful), each family would be a world to itself, and it would be forgotten that we are members one of another. It is certain that this has always been looked upon by the more sober heathen as a most infamous and abominable thing; and those who had not this law yet were herein a law to themselves. The making use of the ordinance of marriage for the patronizing of incestuous mixtures is so far from justifying them, or extenuating their guilt, that it adds the guilt of profaning an ordinance of God, and prostituting that to the vilest of purposes which was instituted for the noblest ends. But,
2.Uncleanness, committed with any of these relations out of marriage, is likewise, without doubt, forbidden here, and no less intended than the former: as also all lascivious carriage, wanton dalliance, and every thing that has the appearance of this evil. Relations must love one another, and are to have free and familiar converse with each other, but it must be with all purity; and the less it is suspected of evil by others the more care ought the persons themselves to take that Satan do not get advantage against them, for he is a very subtle enemy, and seeks all occasions against us.
II. The relations forbidden are most of them plainly described; and it is generally laid down as a rule that what relations of a man's own he is bound up from marrying the same relations of his wife he is likewise forbidden to marry, for they two are one. That law which forbids marrying a brother's wife (Lev 18:16) had an exception peculiar to the Jewish state, that, if a man died without issue, his brother or next of kin should marry the widow, and raise up seed to the deceased (Deu 25:5), for reasons which held good only in that commonwealth; and therefore now that those reasons have ceased the exception ceases, and the law is in force, that a man must in no case marry his brother's widow. That article (Lev 18:18) which forbids a man to take a wife to her sister supposes a connivance at polygamy, as some other laws then did (Exo 21:10; Deu 21:15), but forbids a man's marrying two sisters, as Jacob did, because between those who had before been equal there would be apt to arise greater jealousies and animosities than between wives that were not so nearly related. If the sister of the wife be taken for the concubine, or secondary wife, nothing can be more vexing in her life, or as long as she lives.
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SUMMARY
Leviticus 18:14 is a foundational command within a comprehensive chapter of Mosaic Law, delineating specific prohibitions concerning sexual relations. This particular verse strictly forbids a man from having sexual intimacy with his paternal uncle's wife, identifying her as "thine aunt." This law was crucial for establishing and maintaining the moral and social purity of the Israelite community, distinguishing them from the corrupt practices of surrounding nations and reinforcing the sanctity of family structures and marital bonds as ordained by God. The prohibition underscores God's unwavering demand for holiness in all aspects of life, especially in the realm of human sexuality and family integrity.
CONTEXT
EXPOSITION AND ANALYSIS
Key Word Analysis
Verse Breakdown
Literary Devices
Leviticus 18:14, like the rest of the chapter, primarily employs Legal Code as its overarching literary form, presenting apodictic (absolute) prohibitions. These direct commands, often phrased as "Thou shalt not," emphasize the divine authority and non-negotiable nature of God's moral expectations. Within this legal framework, the most prominent device is Euphemism, particularly the phrase "uncover the nakedness," which serves as a polite and respectful way to refer to sexual intercourse without explicit vulgarity. This euphemism is repeated throughout the chapter, creating a consistent legal lexicon for forbidden sexual acts while maintaining decorum. The verse also utilizes Categorization, placing this specific prohibition within a comprehensive list of unlawful sexual unions, demonstrating a systematic and exhaustive approach to defining moral boundaries. This structured listing emphasizes the divine authority behind each command and its integral role in the overall moral fabric of the covenant community, ensuring clarity and leaving no room for ambiguity regarding what constitutes a violation of God's holy standards.
THEOLOGICAL AND THEMATIC CONNECTIONS
Leviticus 18:14, as part of God's comprehensive moral law, underscores several profound theological and thematic truths. It reveals God's unchanging character as holy and righteous, demanding a corresponding holiness from His people. The prohibition against sexual relations with a paternal uncle's wife, along with other similar commands in the chapter, establishes the sanctity of marriage as a divinely ordained institution and the fundamental importance of maintaining clear, God-ordained boundaries within family structures. These laws were not merely cultural norms but were designed to protect the integrity of individuals, families, and the entire community, preventing the moral decay that characterized the surrounding pagan nations. They highlight the principle that true freedom and flourishing are found in living within God's wise and loving design for human relationships and sexuality, demonstrating God's concern for both individual purity and societal well-being.
REFLECTION AND APPLICATION
While the specific cultural context of ancient Israel differs from our modern world, the underlying principles of Leviticus 18:14 remain profoundly relevant for believers today. God's unchanging character dictates that His standards for sexual purity, the sanctity of marriage, and the integrity of family relationships are timeless. This verse calls us to recognize that God has a divine design for all human relationships, and that certain unions are inherently contrary to His will, regardless of contemporary societal acceptance. For the Christian, living a holy life is not merely about avoiding specific prohibitions, but about embracing God's positive design for human flourishing, which includes sexual purity and honoring marital bonds. This passage challenges us to examine our own lives and cultural influences, ensuring that our understanding of morality is shaped by God's Word rather than the shifting sands of popular opinion. It reminds us that our bodies are temples of the Holy Spirit, and our relationships should reflect the purity and order of God's kingdom, serving as a testimony to God's good and perfect will in a world often confused about sexual ethics.
Questions for Reflection
FAQ
Why is this specific relationship (paternal uncle's wife) forbidden in Leviticus 18:14?
Answer: This relationship is forbidden primarily to maintain the sanctity and integrity of the family unit, which God established as the foundational building block of society. By prohibiting sexual relations with close kin, including the paternal uncle's wife (who is considered "thine aunt" by affinity), God was establishing clear boundaries against incestuous unions. These laws served to distinguish Israel from the morally corrupt practices of the surrounding pagan nations, where such relationships were often common. The prohibition ensures social order, prevents confusion of familial roles, and reinforces the divine design for marriage as a sacred covenant between one man and one woman, free from close familial ties that would dishonor the family structure. This specific prohibition, alongside others in Leviticus 18, underscores God's meticulous care for the moral health of His people.
Is Leviticus 18:14 still relevant for Christians today, given that we are not under the Mosaic Law?
Answer: While Christians are not under the ceremonial or civil aspects of the Mosaic Law, the moral laws, including those concerning sexual purity, reflect God's unchanging character and His eternal standards for human behavior. The New Testament affirms and often deepens the Old Testament's moral commands. For instance, Jesus Himself taught on the sanctity of marriage and the sinfulness of lust (Matthew 5:28). The Apostle Paul also strongly condemns sexual immorality, including incest, as contrary to Christian conduct (1 Corinthians 5:1 and 1 Thessalonians 4:3-5). Therefore, the principles of holiness, sexual purity, respect for God's design for marriage, and the protection of family integrity found in Leviticus 18:14 remain profoundly relevant and binding for believers, guiding them to live lives that honor God and reflect the purity of Christ.
CHRIST-CENTERED FULFILLMENT
Leviticus 18:14, like all of the Mosaic Law, points to Christ in its revelation of God's perfect holiness and humanity's inherent inability to meet His righteous standards. The strict prohibitions against incestuous relationships underscore the pervasive nature of sin and the need for a Redeemer who can not only forgive sin but also empower a new way of living. While the law exposes sin and highlights the need for a covering, Christ fulfills it by embodying perfect obedience and providing the ultimate means for believers to be reconciled to God. Through His atoning sacrifice on the cross, Jesus purifies us from the defilement of sin, and by the indwelling power of the Holy Spirit, He enables us to walk in newness of life, living out the moral demands of the law not through legalistic striving but through transformed hearts. The New Covenant in Christ establishes a new family of God where spiritual kinship transcends biological ties (Galatians 3:28), and believers are called to a higher standard of purity, not merely avoiding forbidden acts, but cultivating a heart of holiness that reflects Christ's own character (1 Peter 1:15-16). The Spirit empowers us to put to death the deeds of the flesh and live according to God's righteous design for sexuality and relationships, ultimately glorifying the one who made us holy and called us to be His own, as we are now part of the body of Christ, His very bride (Ephesians 5:25-27).