Hebrews 1:3

Who being the brightness of his glory, and the express image of his person, and sustaining all things by the word of his power, when he had by himself purged our sins, sat down on the right hand of the majesty on high,

Hebrews 9:7

But into the second, only the high-priest once a year, not without blood, which he offereth for himself and the errors of the people:

Hebrews 9:22-23

And almost all things are according to the law purified with blood, and withoutshedding of blood there is no remission.

Hebrews 9:25

Nor did he enter, that he might offer himself often (as the high-priest entered into the holy place every year with the blood of others.)

Treasury of Scripture Knowledge

Summary

And Aaron shall make an atonement upon the horns of it once in a year with the blood of the sin offering of atonements: once in the year shall he make atonement upon it throughout your generations: it is most holy unto the LORD.

Bible References

Aaron

Hebrews 1:3
Who being the brightness of his glory, and the express image of his person, and sustaining all things by the word of his power, when he had by himself purged our sins, sat down on the right hand of the majesty on high,
Hebrews 9:7
But into the second, only the high-priest once a year, not without blood, which he offereth for himself and the errors of the people: