Hebrews 7:27-28
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.
Romans 8:3
For God has done what the Law could not do, weakened as it was by flesh. By sending his own Son in the likeness of sinful flesh, and on account of sin, he condemned sin in the flesh;
2 Corinthians 5:21
Him who knew no sin, in our behalf he has made to be sin; so that in him we might become the righteousness of God.
Hebrews 5:3
and because of this weakness he is bound to offer sin-offerings not only for the people, but also for himself.