Hebrews 9:7

but into the inner only the High Priest goes, and that but once a year, and never without taking the blood of a victim, which he offers on his own behalf, and on behalf of the errors of the People.

Hebrews 5:2-3

And he is able to sympathize with the ignorant and deluded, since he is himself subject to weakness,

Hebrews 7:27

one who has no need to offer sacrifices daily as those High Priests have, first for their own sins, and then for those of the People. For this he did once and for all, when he offered himself as the sacrifice.

Hebrews 9:24-25

For it was not into a Sanctuary made by human hands, which merely foreshadowed the true one, that Christ entered, but into Heaven itself, that he might now appear in the presence of God on our behalf.

Hebrews 10:3

But, on the contrary, these sacrifices recall their sins to mind year after year.

Hebrews 10:19-20

Therefore, Brothers, since we may enter the Sanctuary with confidence, in virtue of the blood of Jesus,

Treasury of Scripture Knowledge

Summary

But into the second went the high priest alone once every year, not without blood, which he offered for himself, and for the errors of the people:

Bible References

Into

Hebrews 9:24
For it was not into a Sanctuary made by human hands, which merely foreshadowed the true one, that Christ entered, but into Heaven itself, that he might now appear in the presence of God on our behalf.

Not

Hebrews 5:3
and is therefore bound to offer sacrifices for sins, not only for the People, but equally so for himself.
Hebrews 7:27
one who has no need to offer sacrifices daily as those High Priests have, first for their own sins, and then for those of the People. For this he did once and for all, when he offered himself as the sacrifice.
Hebrews 10:19
Therefore, Brothers, since we may enter the Sanctuary with confidence, in virtue of the blood of Jesus,