Cross reference
Leviticus 8:34
34 As hath been done this day, so Jehovah hath commanded to do, to make atonement for you.
Hebrews 7:16
16 who hath been made, not after the law of a carnal commandment, but after the power of an endless life:
Hebrews 7:27
27 who needeth not daily, like those high priests, to offer up sacrifices, first for his own sins, and then for the `sins' of the people: for this he did once for all, when he offered up himself.
Hebrews 10:11-12
11 And every priest indeed standeth day by day ministering and offering oftentimes the same sacrifices, the which can never take away sins:
12 but he, when he had offered one sacrifice for sins for ever, sat down on the right hand of God;