Hebrews 5:3

And on this account he ought, as for the people, so also for himself, to offer sacrifice for sins.

Hebrews 7:27

who hath not daily need, as the high-priests, first, to offer sacrifice for their own sins, afterwards, for those of the people: for this he did once for all, when he offered up himself.

Hebrews 9:7

but into the second once in every year entered the high-priest alone, not without blood, which he offered for his own inadvertencies, and for those of the people:

Treasury of Scripture Knowledge

Summary

And by reason hereof he ought, as for the people, so also for himself, to offer for sins.

Bible References

As

Hebrews 7:27
who hath not daily need, as the high-priests, first, to offer sacrifice for their own sins, afterwards, for those of the people: for this he did once for all, when he offered up himself.
Hebrews 9:7
but into the second once in every year entered the high-priest alone, not without blood, which he offered for his own inadvertencies, and for those of the people: