Exodus 29:12
And thou shalt take of the blood of the bullock, and put it upon the horns of the altar with thy finger, and pour all the blood beside the bottom of the altar.
Cross-reference
Exodus 29:16 describes throwing ram's blood against the altar's sides, a different step in the same consecration ceremony.
Exodus 38:2 shows the construction of the same bronze altar's horns, the physical object where blood is applied.
Exodus 27:2 describes the construction of the altar with horns — the very object where the blood is applied in this verse.
Hebrews 10:4 declares that bull and goat blood cannot take away sins, directly contrasting the atoning purpose suggested by this offering.
Hebrews 9:14 continues the contrast: the blood of Christ purifies the conscience, far surpassing the outward cleansing of animal blood here.
Hebrews 9:13 references the blood of bulls and goats (like this offering) as merely purifying the flesh, contrasting with Christ's blood.
In Leviticus 16:19, this continues the same Day of Atonement ritual: after putting blood on the horns, he sprinkles it seven times to purify the altar.
In Leviticus 16:18, the high priest puts blood on the altar horns, the same action as here but on the Day of Atonement for cleansing the altar.
In Leviticus 8:15, Moses carries out this exact instruction during Aaron's consecration, applying the bull's blood to the altar horns.
Leviticus 4:34 again puts blood on the horns of the burnt offering altar — identical procedure.
Leviticus 4:30 repeats the same action for a common person's sin offering — blood on horns of burnt offering altar.
Leviticus 4:25 puts blood on the same burnt offering altar's horns for a leader's sin offering — direct parallel.
Ezekiel 43:20 echoes this ritual for the future temple, putting blood on the altar's horns to purify it.
Hebrews 9:21 broadens this blood application to the entire tabernacle and its vessels, showing it was part of a comprehensive purification.
In Leviticus 9:9, Aaron repeats the same gesture with blood on the altar horns for his own sin offering, mirroring the consecration ritual.
Hebrews 9:22 summarizes the law's principle: nearly everything is purified with blood, providing the theological basis for this ritual.
Leviticus 4:18 puts blood on the incense altar's horns for the congregation's sin offering — same action, different altar.
Leviticus 4:7 applies blood to the incense altar's horns for a sin offering — a similar ritual on a different altar.