Hebrews 7:27-28
He does not need, like those high priests, to offer up daily sacrifices, first for his own sins and then for the sins of the people, because he did this once for all when he offered up himself.
Romans 8:3
For what the law could not do, in that it was weakened through the flesh, God did by sending his own Son in the likeness of sinful flesh, and for sin: he condemned sin in the flesh,
2 Corinthians 5:21
For our sake he made him to be sin who knew no sin, so that in him we might become the righteousness of God.
Hebrews 5:3
Because of this he has to offer sacrifices for his own sins, as well as for the sins of the people.