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 9:26
(for in that case he must have suffered often since the foundation of the world:) but now once for all at the consummation of the ages hath he been manifested for the abolishing sin by the sacrifice of himself.
Hebrews 10:1-10
NOW the law, having a shadow of the good things which were to come, not the very substance of the things, cannot possibly, by the same sacrifices which they offer year by year continually, make those perfect who approach [God];