The old law has no power to cleanse away sin, but Christ did it with the offering of his body once and for all. An exhortation to receive this goodness of God thankfully, with patience and steadfast faith.

10 For the law, which has but the shadow of good things to come, and not the real things themselves, can never, with the sacrifices that the priests offer year by year continually, make those who come to it perfect. ² For would not then those sacrifices have ceased to be offered, because the offerers, once purged, would have had no more conscience of sins?