The writer continues after teaching the better promises of the New Covenant, and now by showing the excellence of the New Covenant, by showing the weakness and insufficiency of the Old Covenant and its ordinance. And then there's this extraordinary truth, in the Old Covenant sacrifices, there was a remembrance of sins every year. And then there was this, under the old covenant there was a remembrance of your sins every year, but not under the New Covenant. God promised, your sins and your iniquities, will I remember no more.