Hebrews 7:19
(since the law did not make anything [i.e., anyone] perfect), but on the other hand, there is the introduction of a better hope [which did bring perfection through Christ], by which we draw near to God.
Hebrews 9:10
since, with foods and drinks and various [ceremonial] washings, they are only outward regulations imposed until the time when everything would be made right [i.e., under the New Agreement].
Hebrews 9:13-14
For if the blood of goats and bulls, and a [burnt] heifer's ashes sprinkled on people who had been [ceremonially] defiled, could purify them so as to make them [ceremonially] clean on the outside,
Hebrews 10:4
because it is impossible for the blood of bulls and goats to take away sins.