Hebrews 9:7

but into the inner tent the high priest only goes alone, once a year, and that not without blood, which he offers for himself and for the ignorances of the people.

Hebrews 5:2-3

He is able to deal gently with the ignorant and erring, since he himself also is encompassed with moral weakness,

Hebrews 7:27

one who has no need, like the high priests, to offer up daily sacrifices, first for his own sins, then for those of the people. For his sacrifice was made once for all, when he offered up himself.

Hebrews 9:24-25

For it was not into a Sanctuary made by hands, a mere type of the reality, that Christ entered, but he entered into heaven itself, now to appear in the very presence of God on our behalf.

Hebrews 10:3

But on the other hand, in these sacrifices sins are called to memory, year after year.

Hebrews 10:19-20

Since, then, we have a cheerful confidence, brothers, to enter into the Holiest by 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 hands, a mere type of the reality, that Christ entered, but he entered into heaven itself, now to appear in the very presence of God on our behalf.

Not

Hebrews 5:3
and because of this weakness he is bound to offer sin-offerings not only for the people, but also for himself.
Hebrews 7:27
one who has no need, like the high priests, to offer up daily sacrifices, first for his own sins, then for those of the people. For his sacrifice was made once for all, when he offered up himself.
Hebrews 10:19
Since, then, we have a cheerful confidence, brothers, to enter into the Holiest by the blood of Jesus,