Hebrews 7:19

for the law made nothing perfect, but the introducing of a better hope did, by which we draw near to God.

Hebrews 9:10

relating only to meats and drinks, and different washings, and such carnal ordinances as were required till the time of reformation.

Hebrews 9:13-14

For if the blood of bulls and goats, and the ashes of an heifer sprinkling the unclean, sanctifieth to the purification of the flesh;

Hebrews 10:4

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

Treasury of Scripture Knowledge

Summary

And it shall be a perpetual statute unto them, that he that sprinkleth the water of separation shall wash his clothes; and he that toucheth the water of separation shall be unclean until even.

Bible References

General references

Hebrews 7:19
for the law made nothing perfect, but the introducing of a better hope did, by which we draw near to God.
Hebrews 9:10
relating only to meats and drinks, and different washings, and such carnal ordinances as were required till the time of reformation.
Hebrews 10:4
For it is impossible that the blood of bulls and of goats should take away sins.