Hebrews 9:7

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

Hebrews 5:2-3

being able to have compassion on the ignorant and erring, because he himself is beset with infirmity:

Hebrews 7:27

who needs not daily, as those high priests, to offer up sacrifices, first for his own sins, and then for the sins of the people: for this he did once, when he offered up himself.

Hebrews 9:24-25

For the Christ has not entered the holy places made with hands, the copies of the true; but he has entered heaven itself, now to present himself in the presence of God for us.

Hebrews 10:3

There is, however, in these sacrifices, a remembrance of sins every year.

Hebrews 10:19-20

Having therefore, brethren, confidence to enter 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 the Christ has not entered the holy places made with hands, the copies of the true; but he has entered heaven itself, now to present himself in the presence of God for us.

Not

Hebrews 5:3
and on account of this, he ought, as for the people, so also for himself, to make offering for sins.
Hebrews 7:27
who needs not daily, as those high priests, to offer up sacrifices, first for his own sins, and then for the sins of the people: for this he did once, when he offered up himself.
Hebrews 10:19
Having therefore, brethren, confidence to enter the holiest by the blood of Jesus,