Hebrews 9:25

Neither that he should offer himself many times, as the chief priest comes in to the holy places yearly with blood pertaining to others;

Hebrews 9:7

And into the second the chief priest alone once a year, not without blood, which he brings near for himself, and the errors of the people:

Hebrews 10:19

Having therefore, brethren, freedom of speech for the entering in of the holies by the blood of Jesus,

Exodus 30:10

And Aaron to expiate upon its horns once in a year, from the blood of the sin of the expiation: once in a year he shall expiate upon it for your generations: it is holy of holies to Jehovah.

Leviticus 16:2-34

And Jehovah will say to Moses, Speak to Aaron thy brother, and he shall not come in every time into the holy place within the vail at the face of the cover which is upon the ark; and he shall not die for I will be seen in the cloud upon the cover.

Hebrews 9:12

Neither by the blood of he-goats and calves, and by his own blood he went in once for all to the holies, having found eternal deliverance.

Hebrews 9:14

How much more shall the blood of Christ, who by the eternal Spirit offered himself blameless to God, purify your consciousness from dead works to serve the living God?

Hebrews 9:26

(Since he must have suffered many times from the foundation of the world:) but now once at the termination of the times for the annulling of sin by the sacrifice of himself has he been shown clearly.

Hebrews 10:10

In which will we are consecrated by the bringing in of the body of Jesus Christ once.

Treasury of Scripture Knowledge

Summary

Nor yet that he should offer himself often, as the high priest entereth into the holy place every year with blood of others;

General references

Bible References

Offer

Hebrews 9:7
And into the second the chief priest alone once a year, not without blood, which he brings near for himself, and the errors of the people:
Hebrews 10:10
In which will we are consecrated by the bringing in of the body of Jesus Christ once.

As

Hebrews 9:12
Neither by the blood of he-goats and calves, and by his own blood he went in once for all to the holies, having found eternal deliverance.
Exodus 30:10
And Aaron to expiate upon its horns once in a year, from the blood of the sin of the expiation: once in a year he shall expiate upon it for your generations: it is holy of holies to Jehovah.
Leviticus 16:2
And Jehovah will say to Moses, Speak to Aaron thy brother, and he shall not come in every time into the holy place within the vail at the face of the cover which is upon the ark; and he shall not die for I will be seen in the cloud upon the cover.

General references

Leviticus 16:14
And he took from the blood of the bullock, and sprinkled with his finger upon the face of the cover eastward, and before the cover he shall sprinkle seven times from the blood with his finger.