Hebrews 9:7
But [only] once a year the head priest goes alone into the inner room [i.e., Holy of Holies], and never without [animal] blood, which he offers [as a sacrifice] for himself and for the sins done in ignorance by the people.
Hebrews 9:3
And behind the second curtain [of] the Tabernacle was [a room] called the "Holy of Holies."
Hebrews 9:12
And He did not enter [the heavenly Holy of Holies] by means of the blood of goats and calves but, by means of His own blood He entered the Holy of Holies [i.e., heaven] once for all time, [after] having obtained never ending redemption [i.e., salvation for us on the cross].
Hebrews 2:17
So, for this reason, He had to become like His brothers in every way [i.e., except that He never sinned], so that He could become a merciful and faithful Head Priest in things related to God's [service], [and] that He could provide a means of purifying [Lev. 16:30] for people's sins [i.e., make atonement for them].
Hebrews 6:19
We have this hope as an anchor for the soul, [a hope] that is safe and secure, and one that enters the curtain [i.e., figuratively, of the heavenly sanctuary],
Hebrews 5:3
And because of this he is obligated to offer [sacrifices] for his own sins also, as well as the people's sins.
Hebrews 9:25-26
Nor was it necessary for Him to offer Himself [to God] often, like the head priest does, who enters the Holy of Holies year after year with blood that belongs to others [i.e., the blood of animal sacrifices].