Leviticus 16–18 forms a closely connected section concerning atonement, the sanctity of blood, acceptable worship, separation from heathen practices, and personal holiness. Chapter 16 centers upon the annual atonement commanded for Israel; chapter 17 regulates sacrifice and blood; chapter 18 commands moral separation from the practices of Egypt and Canaan.
The controlling truth throughout these chapters is that the LORD determines how sinful man approaches Him. Israel was not free to invent its own worship or morality. God gave both the means of approach and the standard of conduct.
Chapter Summaries
Leviticus 16 — The Day of Atonement
The chapter opens by deliberately recalling the death of Aaron’s sons:
Leviticus 16:1–2: “And the LORD spake unto Moses after the death of the two sons of Aaron, when they offered before the LORD, and died;
And the LORD said unto Moses, Speak unto Aaron thy brother, that he come not at all times into the holy place within the vail before the mercy seat, which is upon the ark; that he die not: for I will appear in the cloud upon the mercy seat.”
This establishes immediately that access to God’s holy presence was regulated by God Himself. Aaron could not enter within the veil whenever he pleased.
Aaron’s preparation
Aaron was commanded to enter with:
- a young bullock for a sin offering,
- a ram for a burnt offering,
- holy linen garments,
- and the washing of his flesh with water before putting them on.
The congregation of Israel supplied two kids of the goats for a sin offering and one ram for a burnt offering (Leviticus 16:5).
Aaron first offered the bullock for himself and his house. This demonstrates that the earthly high priest was himself a sinner requiring atonement.
That distinction becomes important in light of Christ. Hebrews says of Christ:
Hebrews 7:26: “For such an high priest became us, who is holy, harmless, undefiled, separate from sinners, and made higher than the heavens.”
Christ did not need a sacrifice for His own sins.
The two goats
Aaron presented the two goats before the LORD and cast lots:
Leviticus 16:8: “And Aaron shall cast lots upon the two goats; one lot for the LORD, and the other lot for the scapegoat.”
The goat upon which the LORD’s lot fell was offered for a sin offering. The other was presented alive.
After the prescribed sacrifices, Aaron entered within the veil with incense. The cloud of incense was to cover the mercy seat, “that he die not” (Leviticus 16:13).
He then sprinkled blood upon and before the mercy seat.
The chapter states why atonement had to be made for the sanctuary:
Leviticus 16:16: “And he shall make an atonement for the holy place, because of the uncleanness of the children of Israel, and because of their transgressions in all their sins…”
The tabernacle, altar, priesthood, and people were all involved in the prescribed cleansing and atonement.
The scapegoat
After making atonement for the holy place, tabernacle, and altar, Aaron brought the living goat.
Leviticus 16:21: “And Aaron shall lay both his hands upon the head of the live goat, and confess over him all the iniquities of the children of Israel, and all their transgressions in all their sins, putting them upon the head of the goat…”
The goat was then sent away by “the hand of a fit man into the wilderness.”
Verse 22 says:
“And the goat shall bear upon him all their iniquities unto a land not inhabited…”
Explicitly, the KJV presents the live goat as bearing away Israel’s confessed iniquities in this prescribed ceremony.
A common conservative interpretation is that the two goats may portray complementary aspects of atonement—sacrifice and the removal of sin. However, Scripture does not explicitly identify every feature of the scapegoat ceremony with a particular aspect of Christ’s work, so those details should not be pressed beyond what Scripture states.
What the New Testament does explicitly teach is that Christ fulfilled what the repeated Levitical sacrifices could never finally accomplish.
Hebrews 10:4: “For it is not possible that the blood of bulls and of goats should take away sins.”
And:
Hebrews 9:12: “Neither by the blood of goats and calves, but by his own blood he entered in once into the holy place, having obtained eternal redemption for us.”
The Levitical sacrifices were divinely commanded and meaningful, but Christ’s sacrifice is final and sufficient.
The annual observance
God commanded that on the tenth day of the seventh month Israel was to “afflict your souls,” perform no work, and observe the prescribed atonement.
Leviticus 16:30: “For on that day shall the priest make an atonement for you, to cleanse you, that ye may be clean from all your sins before the LORD.”
The chapter calls it:
Leviticus 16:31: “a sabbath of rest unto you”
and concludes:
Leviticus 16:34: “And this shall be an everlasting statute unto you, to make an atonement for the children of Israel for all their sins once a year.”
The KJV says “afflict your souls.” Leviticus 16 itself does not explicitly define that expression as fasting, so it is better to retain the wording God gave rather than make the equation without qualification.
Hebrews later directly refers to the annual entrance of the high priest:
Hebrews 9:7: “But into the second went the high priest alone once every year, not without blood…”
The contrast is then made with the greater and perfect work of Christ.
Leviticus 17 — Sacrifice, Blood, and the Life
Chapter 17 emphasizes that sacrifice and blood were not common matters. They belonged under God’s authority.
Sacrifice at the tabernacle
An Israelite who killed an ox, lamb, or goat for sacrifice was commanded to bring it to the door of the tabernacle of the congregation.
Failure to do so brought serious guilt:
Leviticus 17:4: “blood shall be imputed unto that man; he hath shed blood; and that man shall be cut off from among his people.”
The purpose included bringing Israel’s sacrifices to the LORD rather than continuing corrupt worship.
Verse 7 states explicitly:
Leviticus 17:7: “And they shall no more offer their sacrifices unto devils, after whom they have gone a whoring.”
The text itself therefore identifies improper sacrificial worship with spiritual unfaithfulness.
No unauthorized sacrifice
The command included both Israelites and strangers dwelling among them.
Leviticus 17:9: “And bringeth it not unto the door of the tabernacle of the congregation, to offer an offering unto the LORD; even that man shall be cut off from among his people.”
God determined both whom Israel would worship and how Israel would worship Him.
Sincerity could not replace obedience.
The sanctity of blood
The theological center of the chapter is Leviticus 17:11:
“For the life of the flesh is in the blood: and I have given it to you upon the altar to make an atonement for your souls: for it is the blood that maketh an atonement for the soul.”
Several truths are explicit.
First, “the life of the flesh is in the blood.”
Second, God says, “I have given it to you upon the altar.”
Third, the purpose was “to make an atonement for your souls.”
Blood therefore was not treated as an ordinary dietary substance. It had a God-appointed significance connected with life and atonement.
That prepares the reader for the New Testament emphasis upon Christ’s blood.
Ephesians 1:7: “In whom we have redemption through his blood, the forgiveness of sins, according to the riches of his grace.”
Animal blood itself could not take away sin permanently, but it pointed within God’s sacrificial system toward the necessity of atonement through shed blood.
Blood was not to be eaten
Israelites and strangers were forbidden to eat blood.
When an animal or bird that might lawfully be eaten was taken in hunting, its blood had to be poured out and covered with dust.
God again explains:
Leviticus 17:14: “For it is the life of all flesh; the blood of it is for the life thereof…”
This prohibition was tied directly to God’s declaration concerning the life residing in the blood.
For dispensational clarity, the Church is not under the Mosaic sacrificial covenant. Nevertheless, Acts 15 also explicitly instructs Gentile believers to “abstain…from blood” (Acts 15:20, 29). We should therefore neither place Christians under Israel’s Levitical system nor ignore what the New Testament itself repeats.
Leviticus 18 — Separation and Moral Purity
Leviticus 18 turns from sacrifice and blood to Israel’s conduct.
God begins:
Leviticus 18:2: “Speak unto the children of Israel, and say unto them, I am the LORD your God.”
That declaration repeatedly undergirds the commands that follow.
Israel’s morality was to flow from the authority of “the LORD your God.”
Israel must not imitate Egypt or Canaan
Leviticus 18:3: “After the doings of the land of Egypt, wherein ye dwelt, shall ye not do: and after the doings of the land of Canaan, whither I bring you, shall ye not do: neither shall ye walk in their ordinances.”
The text is explicit:
- Israel had dwelt in Egypt.
- God was bringing them into Canaan.
- They were forbidden to imitate the conduct of either people.
Instead:
Leviticus 18:4: “Ye shall do my judgments, and keep mine ordinances, to walk therein: I am the LORD your God.”
This is biblical separation in its plainest form: God’s people were not to take surrounding cultures as their moral standard.
“The man which doeth those things shall live in them”
Verse 5 says:
“Ye shall therefore keep my statutes, and my judgments: which if a man do, he shall live in them: I am the LORD.”
This must not be turned into salvation by works.
The New Testament itself cites the principle of the law while contrasting it with justification by faith. Galatians 3:11–12 says:
“But that no man is justified by the law in the sight of God, it is evident: for, The just shall live by faith.
And the law is not of faith: but, The man that doeth them shall live in them.”
Salvation has always rested upon God’s grace and is received by faith. The law exposes sin; it does not provide fallen man with a works-based path to justification.
Forbidden sexual relationships
Beginning in Leviticus 18:6, the LORD prohibits sexual relations among various close family relationships.
The chapter specifically names relationships involving:
- father and mother,
- father’s wife,
- sister and half-sister,
- granddaughter,
- father’s sister,
- mother’s sister,
- father’s brother’s wife,
- daughter-in-law,
- brother’s wife,
- a woman and her daughter,
- and certain additional close family relationships.
God places boundaries upon sexual conduct. Human desire does not determine what is morally legitimate.
The chapter also prohibits taking a woman together with her sister in the manner described in verse 18.
Other expressly forbidden acts
The chapter goes on to prohibit several additional acts.
Adultery
Leviticus 18:20: “Moreover thou shalt not lie carnally with thy neighbour’s wife, to defile thyself with her.”
Adultery is therefore explicitly identified as defiling conduct.
Molech
Leviticus 18:21: “And thou shalt not let any of thy seed pass through the fire to Molech, neither shalt thou profane the name of thy God: I am the LORD.”
The verse explicitly associates this act involving Molech with profaning God’s name.
We should not add details concerning the precise ceremony beyond what Scripture establishes unless clearly identified as historical background.
Homosexual conduct
Leviticus 18:22: “Thou shalt not lie with mankind, as with womankind: it is abomination.”
The wording is direct and requires no cultural reinterpretation. The New Testament likewise condemns same-sex sexual conduct, including Romans 1:26–27 and 1 Corinthians 6:9–11.
This is a moral judgment stated by Scripture, not merely a description of ancient custom.
Bestiality
Verse 23 explicitly forbids sexual relations between human beings and animals and calls it “confusion.”
The land defiled
God warns Israel not to commit these practices because the nations before them had become defiled.
Leviticus 18:24–25: “Defile not ye yourselves in any of these things: for in all these the nations are defiled which I cast out before you:
And the land is defiled: therefore I do visit the iniquity thereof upon it, and the land itself vomiteth out her inhabitants.”
This establishes an important biblical principle: God does not treat national or cultural custom as the final authority concerning morality.
The Canaanites’ practices did not become righteous merely because they were established customs.
Israel was warned that practicing the same abominations would bring judgment upon them also.
Leviticus 18:28: “That the land spue not you out also, when ye defile it, as it spued out the nations that were before you.”
God’s standard was impartial. Israel’s covenant privileges were not permission to imitate the sins for which God judged others.
Key People and Places
- The LORD — The divine Lawgiver throughout all three chapters. The repeated declaration “I am the LORD” grounds worship and morality in God’s authority.
- Moses — Receives the LORD’s commands and is instructed to communicate them to Aaron and Israel.
- Aaron — Israel’s high priest, specifically instructed concerning entrance within the veil and the annual atonement.
- The two sons of Aaron — Their deaths are explicitly recalled in Leviticus 16:1 as the setting for God’s warning concerning entrance into the holy place. Their names are not given in chapter 16 itself; Leviticus 10 identifies them as Nadab and Abihu.
- The children of Israel — The covenant people for whom the regulations and atonement ceremonies are given.
- The stranger — Certain commands in Leviticus 17–18 explicitly include strangers dwelling among Israel.
- The fit man — The unnamed man appointed to lead the scapegoat into the wilderness.
- The holy place within the veil — The restricted sanctuary where the mercy seat was located.
- The mercy seat — The place before which Aaron performed the commanded blood-sprinkling ceremony.
- The tabernacle of the congregation — The God-appointed center for Israel’s sacrificial worship.
- The altar — Cleansed during the atonement ceremony and designated by God for sacrificial blood.
- The camp — Certain remains from the sacrifices were carried outside it.
- The wilderness — The place into which the scapegoat was sent.
- Egypt — The land “wherein ye dwelt,” whose practices Israel was forbidden to imitate.
- Canaan — The land “whither I bring you,” whose practices Israel likewise was forbidden to adopt.
Main Doctrinal or Spiritual Themes
1. God Is Holy and Must Be Approached His Way
Aaron could not enter the holy place “at all times.” God’s presence was not approached casually.
The death of Aaron’s sons makes the warning especially solemn.
The lesson is not that God is unwilling to receive sinners, but that sinful man cannot dictate the terms upon which he approaches a holy God.
The gospel preserves this principle while providing the perfect Mediator:
1 Timothy 2:5: “For there is one God, and one mediator between God and men, the man Christ Jesus.”
2. Sin Requires Atonement
Leviticus 16 repeatedly speaks of atonement for:
- Aaron,
- Aaron’s house,
- the people,
- the holy place,
- the tabernacle,
- and the altar.
Sin is not insignificant. It brings uncleanness, guilt, and separation requiring God’s appointed remedy.
The final answer is found not in repeated animal sacrifices, but in Jesus Christ.
Hebrews 10:12: “But this man, after he had offered one sacrifice for sins for ever, sat down on the right hand of God.”
3. The Blood Has God-Appointed Significance
Leviticus 17:11 is foundational:
“For the life of the flesh is in the blood…”
God Himself continues:
“I have given it to you upon the altar to make an atonement for your souls.”
The importance of blood is therefore not a later theological invention. God established it within His revealed sacrificial order.
The New Testament fulfillment is Christ’s own blood, not continued animal sacrifice.
4. Christ Is the Greater High Priest
The Aaronic priest had to offer first for himself.
Christ did not.
The Aaronic priest entered repeatedly.
Christ entered with His own blood and obtained “eternal redemption.”
The Aaronic system therefore demonstrates both the seriousness of sin and the insufficiency of repeated animal sacrifice to accomplish final redemption.
5. Atonement and Removal of Sin
The slain goat and the living scapegoat present sacrifice together with the bearing away of Israel’s confessed iniquities.
It may suggest the complementary truths of sin being dealt with judicially and removed from the sinner.
However, because Scripture does not explicitly give a detailed inspired interpretation of every feature of the two goats, doctrinal teaching should rest primarily upon the explicit New Testament exposition of Christ’s sacrifice.
6. God Regulates Worship
Leviticus 17 rejects unauthorized sacrifice.
Israel could not say that every religious practice was acceptable as long as it seemed sincere.
God’s people were required to worship according to God’s revelation.
This remains a necessary principle: religious zeal cannot make disobedience acceptable.
7. God’s People Must Be Separate From the World’s Sin
Leviticus 18:3 directly forbids Israel from following either Egypt or Canaan.
Biblical separation is therefore more than outward distinctiveness. It includes refusing the moral practices that God calls sinful.
Leviticus 18:4: “Ye shall do my judgments, and keep mine ordinances, to walk therein…”
8. Sexual Morality Is Defined by God
Leviticus 18 establishes clear boundaries concerning sexual conduct.
The standards do not arise from:
- personal desire,
- majority opinion,
- national tradition,
- or prevailing culture.
They arise from the authority of the LORD.
Where the New Testament repeats these moral prohibitions, the Church has no authority to redefine them.
9. Sin Defiles Individuals and Societies
Leviticus 18 repeatedly uses words such as “defile,” “abomination,” and “iniquity.”
The sins described affected both persons and the land.
God’s judgment of Canaan shows that He held nations morally accountable even before Israel possessed the land.
10. Israel and the Church Must Not Be Confused
These chapters were given directly to the children of Israel under the Mosaic covenant.
The Church is not Israel and is not placed under Israel’s Levitical priesthood or sacrificial system.
Nevertheless, the New Testament explicitly uses the Levitical system to teach believers about Christ’s priesthood and sacrifice, particularly in Hebrews.
The moral character of God has not changed, and sins explicitly condemned again in the New Testament remain sins for believers today.
Practical Applications or Lessons
Approach God With Reverence
Aaron’s restricted access to the holy place teaches the seriousness of God’s holiness.
Believers now have access through Christ, but access through Christ should produce gratitude and reverence rather than carelessness.
Hebrews 10:19: “Having therefore, brethren, boldness to enter into the holiest by the blood of Jesus.”
Our boldness rests upon His blood, not upon our merit.
Never Treat Sin Lightly
The elaborate atonement procedures demonstrate how seriously God regards sin.
What man may excuse, God calls uncleanness, transgression, iniquity, or abomination.
A biblical view of grace does not minimize sin; it magnifies the price paid for it.
Trust the Finished Work of Christ
Repeated Levitical sacrifices contrast with Christ’s completed work.
The believer does not improve upon Christ’s sacrifice through works, ceremonies, sacraments, or religious merit.
Salvation is by grace through faith.
Ephesians 2:8–9: “For by grace are ye saved through faith; and that not of yourselves: it is the gift of God:
Not of works, lest any man should boast.”
Worship According to Scripture
Leviticus 17 shows that God did not accept man-made alternatives to His prescribed worship.
The practical lesson is that churches should measure doctrine and worship by Scripture rather than popularity, novelty, or religious tradition.
Remember That Life Belongs to God
“The life of the flesh is in the blood.”
Blood was treated with solemnity because God attached significance to it.
Believers should therefore approach the biblical doctrine of Christ’s shed blood with gratitude rather than reducing it to mere religious symbolism.
Refuse Cultural Pressure to Redefine Sin
Israel was specifically told not to imitate Egypt or Canaan.
Modern culture likewise has no authority to overturn what Scripture expressly calls sin.
Where God’s Word speaks plainly, the believer’s duty is obedience.
Maintain Sexual Purity
Leviticus 18 teaches that sexual desire has God-given boundaries.
Adultery, incestuous relations, homosexual conduct, and bestiality are not presented as merely culturally inappropriate. They are expressly prohibited by God.
The New Testament calls believers to purity as well:
Hebrews 13:4: “Marriage is honourable in all, and the bed undefiled: but whoremongers and adulterers God will judge.”
Privilege Does Not Excuse Disobedience
Israel was God’s covenant nation, yet God warned them that if they practiced the abominations of the nations, the land would also cast them out.
Spiritual privilege should therefore produce obedience, not presumption.
Let Scripture Set the Boundary
Perhaps the strongest practical principle running through all three chapters is simply this:
God has spoken.
He determined the sacrifice.
He determined the priestly approach.
He determined the use of blood.
He determined acceptable worship.
He determined moral boundaries.
Faithfulness therefore means refusing to go beyond, beneath, or against what God has written.
Overall Message of Leviticus 16–18
Leviticus 16–18 presents a movement from atonement before a holy God, to reverence for the blood God appointed, to a separated and holy manner of life.
Leviticus 16 shows that sin requires atonement and that access to God must be according to His provision.
Leviticus 17 shows that life belongs to God and that blood occupies a unique place in His revealed plan of atonement.
Leviticus 18 shows that redeemed and covenant-separated people must not imitate the sins of the surrounding world.
For the Christian, Hebrews supplies the inspired fulfillment: Jesus Christ is the sinless High Priest who entered once with His own blood and obtained eternal redemption. The Levitical sacrifices were repeated; His sacrifice was sufficient.
Hebrews 9:28: “So Christ was once offered to bear the sins of many…”
That is where the shadows of Leviticus find their glorious fulfillment—not in human works, but in the finished sacrifice of Jesus Christ.
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