Bible Study Leviticus 18
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Leviticus 18 · WEB

Unlawful Sexual Relations

Listen — WEB narration 0:00 / 0:00 Narration: World English Bible (David Williams), public domain — AudioTreasure.

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Yahweh spoke to Moses, saying,
2"Speak to the children of Israel, and say to them, 'I am Yahweh your God.
3You shall not do as they do in the land of Egypt, where you lived. You shall not do as they do in the land of Canaan, where I am bringing you. You shall not walk in their statutes.
4You shall do my ordinances, and you shall keep my statutes, and walk in them. I am Yahweh your God.
5You shall therefore keep my statutes and my ordinances; which if a man does, he shall live in them. I am Yahweh.
6"'None of you shall approach anyone who are his close relatives, to uncover their nakedness. I am Yahweh.
7"'You shall not uncover the nakedness of your father, or the nakedness of your mother. She is your mother. You shall not uncover her nakedness.
8"'You shall not uncover the nakedness of your father's wife. It is your father's nakedness.
9"'You shall not uncover the nakedness of your sister, the daughter of your father, or the daughter of your mother, whether born at home, or born abroad.
10"'You shall not uncover the nakedness of your son's daughter, or of your daughter's daughter, even their nakedness; for they are your own nakedness.
11"'You shall not uncover the nakedness of your father's wife's daughter, conceived by your father. She is your sister.
12"'You shall not uncover the nakedness of your father's sister. She is your father's near kinswoman.
13"'You shall not uncover the nakedness of your mother's sister; for she is your mother's near kinswoman.
14"'You shall not uncover the nakedness of your father's brother. You shall not approach his wife. She is your aunt.
15"'You shall not uncover the nakedness of your daughter-in-law. She is your son's wife. You shall not uncover her nakedness.
16"'You shall not uncover the nakedness of your brother's wife. It is your brother's nakedness.
17"'You shall not uncover the nakedness of a woman and her daughter. You shall not take her son's daughter, or her daughter's daughter, to uncover her nakedness. They are near kinswomen. It is wickedness.
18"'You shall not take a wife in addition to her sister, to be a rival to her, to uncover her nakedness while her sister is still alive.
19"'You shall not approach a woman to uncover her nakedness in her menstrual period of uncleanness.
20"'You shall not lie carnally with your neighbor's wife, and defile yourself with her.
21"'You shall not give any of your children to sacrifice them to Molech. You shall not profane the name of your God. I am Yahweh.
22"'You shall not lie with a man as with a woman. That is detestable.
23"'You shall not lie with any animal, and defile yourself with it. A woman shall not give herself to an animal, to lie down with it. That is a perversion.
24"'Don't defile yourselves in any of these things; for in all these things the nations which I am casting out before you were defiled.
25The land was defiled; therefore I punished its iniquity, and the land vomited out its inhabitants.
26You therefore shall keep my statutes and my ordinances, and shall not do any of these abominations, neither the native-born, nor the stranger who lives as a foreigner among you;
27(for all these abominations have the men of the land done, who were before you, and the land became defiled);
28that the land not vomit you out also, when you defile it, as it vomited out the nation that was before you.
29"'For whoever shall do any of these abominations, even the souls who do them shall be cut off from among their people.
30Therefore you shall keep my command, that you do not practice any of the abominable customs which were practiced before you, and that you do not defile yourselves with them. I am Yahweh your God.'"
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Summary

Chapter 18 lists forbidden sexual relationships, framed by a double reminder that Israel must not live like Egypt (where they came from) or Canaan (where they are going). The prohibited relations include incest in many forms, adultery, relations during menstruation, child sacrifice to Molech, male homosexual intercourse, and bestiality. The theological foundation throughout is Israel's covenant identity: "I am Yahweh your God." The land itself is described as defiled by these practices, and God warns that the land will "vomit out" Israel just as it did the Canaanites if they follow the same path.

Themes

  • Israel's ethical distinctiveness as the basis for their covenant identity
  • Sexual ethics as an expression of covenant faithfulness to God
  • The land as morally sensitive — sin has consequences for the creation order
  • "I am Yahweh" as the repeated foundation: God's authority, not cultural convention, defines right and wrong

Key verses

  • Lev 18:25 — “The land was defiled; therefore I punished its iniquity, and the land vomited out its inhabitants.”
  • Lev 18:3-4 — “You shall not do as they do in the land of Egypt... You shall not do as they do in the land of Canaan... You shall do my ordinances.”
  • Lev 18:5 — “You shall therefore keep my statutes and my ordinances; which if a man does, he shall live in them. I am Yahweh.”

Context & background

These laws were given at Mount Sinai (modern Sinai Peninsula, Egypt) in preparation for Israel's entry into Canaan (modern Israel/Palestine). The Canaanite religious practices included ritual prostitution, child sacrifice to Molech (associated with the Ammonites and practiced in Canaan), and various sexual practices condemned here. The repeated phrase "I am Yahweh your God" (vv. 2, 4, 5, 6, 21, 30) anchors all sexual ethics in Israel's covenant relationship with God, not in pragmatics or cultural norms. Leviticus 18:5 is cited in the New Testament (Gal 3:12; Rom 10:5) in the context of discussing law and life.

Cross-references

  • 1 Cor 6:18-20 — Paul calls believers to flee sexual immorality because their bodies are temples of the Holy Spirit
  • Deut 27:20-23 — Curses for incest and bestiality, repeating key laws from this chapter
  • Ezek 16:47-52 — Ezekiel accuses Israel of being worse than Sodom and her sisters by practicing these abominations
  • Lev 20:10-21 — Reiterates these prohibitions with specific penalties for violation
  • Rom 1:24-27 — Paul references sexual immorality as evidence of humanity's rebellion against the Creator

Check your reading

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  1. Observe

    What two cultures does the opening framing (vv. 3-4) tell Israel they must NOT imitate?

  2. Observe

    What does God warn will happen to the land if Israel adopts the practices condemned in this chapter (v. 25, 28)?

  3. Interpret

    Why does God anchor sexual ethics in his covenant identity ("I am Yahweh your God") rather than in reason or nature alone (vv. 2, 4, 5, 6, 21, 30)?

  4. Interpret

    The land "vomited out" the Canaanites for these practices (v. 25). What does this suggest about morality and creation?

  5. Apply

    Leviticus 18:5 says obedience to God's statutes brings life. What does this teach about God's commands today?

  6. Apply

    The chapter opens with a call NOT to conform to surrounding culture (Egypt or Canaan). How does this principle apply to believers today?

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