Exodus 28:15-29
And thou shalt make the breastplate of judgment with cunning work; after the work of the ephod thou shalt make it; of gold, of blue, and of purple, and of scarlet, and of fine twined linen, shalt thou make it…

Exodus 39:8-21
And he made the breastplate of cunning work, like the work of the ephod; of gold, blue, and purple, and scarlet, and fine twined linen…

Song of Solomon 8:6
Set me as a seal upon thine heart, as a seal upon thine arm: for love is strong as death; jealousy is cruel as the grave: the coals thereof are coals of fire, which hath a most vehement flame.

the Urim

Exodus 28:30
And thou shalt put in the breastplate of judgment the Urim and the Thummim; and they shall be upon Aaron's heart, when he goeth in before the LORD: and Aaron shall bear the judgment of the children of Israel upon his heart before the LORD continually.

Ezra 2:63
And the Tirshatha said unto them, that they should not eat of the most holy things, till there stood up a priest with Urim and with Thummim.

and placed the Urim and Thummim in the breastpiece
The Urim and Thummim were mysterious objects used for divination, to discern God's will in specific situations. Their exact nature is unknown, but they were likely stones or lots kept in the breastpiece. The Urim and Thummim were used to obtain divine guidance, as seen in passages like Numbers 27:21 and 1 Samuel 28:6. They represent God's provision for guidance and decision-making for His people. Theologically, they foreshadow the perfect guidance believers receive through the Holy Spirit. The placement of the Urim and Thummim in the breastpiece underscores the high priest's role as a mediator between God and Israel, a role ultimately fulfilled by Jesus Christ, our eternal High Priest, as described in Hebrews 4:14-16.

• The “he” is Moses, carrying out God’s precise instructions for Aaron’s ordination (Exodus 28:1–3).

• Each verb in Leviticus 8 follows a deliberate sequence, underscoring that worship isn’t a human invention but a revealed pattern (Hebrews 8:5).

• By simply doing “then…put,” Moses models obedience that leaves no room for alteration (Exodus 40:16; Deuteronomy 12:32).

• The breastpiece—also called the “breastpiece of judgment” (Exodus 28:15)—rested over the high priest’s heart.

• Twelve gemstones bearing the tribes’ names (Exodus 28:21) reminded Aaron that he represented the entire covenant people “continually before the LORD” (Exodus 28:29).

• This points forward to Christ, our High Priest, who “always lives to intercede” for His people (Hebrews 7:25).

• It also foreshadows the New Jerusalem, where the tribes’ names again appear (Revelation 21:12), proving God never forgets His own (Isaiah 49:16).

• The extra verb highlights a separate, intentional act: the Urim and Thummim are not decoration but tools for discerning God’s will (Numbers 27:21).

• Priesthood is both representative (bearing names) and revelatory (seeking guidance), marrying care with direction (Malachi 2:7).

• Scripture doesn’t spell out their mechanics, yet consistently shows they yield infallible answers when properly sought (1 Samuel 14:41; Ezra 2:63).

• Their very names—“Lights” and “Perfections”—stress that divine guidance is clear and flawless (Psalm 119:105; James 1:17).

• Their presence assures Israel that critical decisions come from God, not majority opinion (1 Samuel 28:6 contrasted with 1 Samuel 30:8).

• By placing them “in” rather than merely “on,” God anchors decision-making close to the same place where the tribes’ names rest—His people and His guidance are inseparable (Exodus 28:30).

• The high priest literally carried the mechanism of revelation over his heart, prefiguring how believers today are led internally by the Spirit (John 14:26; Romans 8:14) while still anchored to the written Word (Psalm 19:7–11).

• The arrangement protects against subjective leadership: guidance (Urim/Thummim) stays bound to intercession (names on stones), foreshadowing Christ, in whom “are hidden all the treasures of wisdom and knowledge” (Colossians 2:3).

Leviticus 8:8 records Moses outfitting Aaron exactly as God prescribed. The breastpiece signifies the high priest’s loving representation of Israel; the Urim and Thummim signify flawless divine guidance. Nestled together, they teach that God’s people are always on His heart and that His direction for them is close, certain, and perfect—ultimate realities fulfilled in Jesus, our great High Priest and unfailing source of truth.

Also he put in the breast-plate the Urim and the Thummim.--Better, and he put into, &c. (see Exodus 28:30), that is, Moses put into the bag of the breast-plate (comp. Exodus 25:16) these material objects which were separate from the breast-plate, as well as from the gems set in the breast-plate. (See Exodus 28:30.)

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