Hebrews 7:27-28
who hath not necessity daily, as the highpriests, to offer up sacrifice first for his own sins, and then for those of the people; for this he did once for all, when he offered up himself.
Romans 8:3
For what the Law could not do, in that it was weak through the flesh, God hath done, who on account of sin sent his own Son in the likeness of sinful flesh, and passed sentence of condemnation on sin in the flesh;
2 Corinthians 5:21
Him, who knew not sin, he made sin for us, that we might become Gods righteousness in him.
Hebrews 5:3
and by reason of this infirmity he must, as for the people, so also for himself, offer sacrifice for sins.