Hebrews 10:3

For the law, having a shadow of the good to come, not the very image of the things, can never with the same sacrifices year by year, which they offer continually, make perfect those who draw near.

Or else wouldn't they have ceased to be offered, because the worshippers, having been once cleansed, would have had no more consciousness of sins?

For it is impossible that the blood of bulls and goats should take away sins.

Therefore when he comes into the world, he says, "Sacrifice and offering you didn't desire, but you prepared a body for me;