Hebrews 9:25

nor did He [enter into the heavenly sanctuary to] offer Himself again and again, as the high priest enters the Holy Place every year with blood that is not his own.

Hebrews 9:7

but into the second [inner tabernacle, the Holy of Holies], only the high priest enters [and then only] once a year, and never without [bringing a sacrifice of] blood, which he offers [as a substitutionary atonement] for himself and for the sins of the people committed in ignorance.

Hebrews 10:19

Therefore, believers, since we have confidence and full freedom to enter the Holy Place [the place where God dwells] by [means of] the blood of Jesus,

Exodus 30:10

Once a year Aaron shall make atonement [for sin] on its horns. He shall make atonement on it with the blood of the sin offering of atonement once a year throughout your generations. It is most holy to the Lord.”

Leviticus 16:2-34

The Lord said to Moses,

“Tell Aaron your brother that he must not enter at any time into the Holy Place inside the veil (the Holy of Holies), before the mercy seat which is on the ark, or he will die, for I will appear in the cloud over the mercy seat.

Hebrews 9:12

He went once for all into the Holy Place [the Holy of Holies of heaven, into the presence of God], and not through the blood of goats and calves, but through His own blood, having obtained and secured eternal redemption [that is, the salvation of all who personally believe in Him as Savior].

Hebrews 9:14

how much more will the blood of Christ, who through the eternal [Holy] Spirit willingly offered Himself unblemished [that is, without moral or spiritual imperfection as a sacrifice] to God, cleanse your conscience from dead works and lifeless observances to serve the ever living God?

Hebrews 9:26

Otherwise, He would have needed to suffer over and over since the foundation of the world; but now once for all at the consummation of the ages He has appeared and been publicly manifested to put away sin by the sacrifice of Himself.

Hebrews 10:10

And in accordance with this will [of God] we [who believe in the message of salvation] have been sanctified [that is, set apart as holy for God and His purposes] through the offering of the body of Jesus Christ (the Messiah, the Anointed) once for all.

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
but into the second [inner tabernacle, the Holy of Holies], only the high priest enters [and then only] once a year, and never without [bringing a sacrifice of] blood, which he offers [as a substitutionary atonement] for himself and for the sins of the people committed in ignorance.
Hebrews 10:10
And in accordance with this will [of God] we [who believe in the message of salvation] have been sanctified [that is, set apart as holy for God and His purposes] through the offering of the body of Jesus Christ (the Messiah, the Anointed) once for all.

As

Hebrews 9:12
He went once for all into the Holy Place [the Holy of Holies of heaven, into the presence of God], and not through the blood of goats and calves, but through His own blood, having obtained and secured eternal redemption [that is, the salvation of all who personally believe in Him as Savior].
Exodus 30:10
Once a year Aaron shall make atonement [for sin] on its horns. He shall make atonement on it with the blood of the sin offering of atonement once a year throughout your generations. It is most holy to the Lord.”
Leviticus 16:2
The Lord said to Moses,

“Tell Aaron your brother that he must not enter at any time into the Holy Place inside the veil (the Holy of Holies), before the mercy seat which is on the ark, or he will die, for I will appear in the cloud over the mercy seat.

General references

Leviticus 16:14
He shall take some of the bull’s blood and sprinkle it with his finger on the east side of the mercy seat; also in front of the mercy seat he shall sprinkle some of the blood with his finger seven times.