Hebrews 9:13

9:13 For if the blood of goats and bulls and the ashes of a young cow sprinkled on those who are defiled consecrated them and provided ritual purity, ¹ 

Hebrews 9:19

9:19 For when Moses had spoken every command to all the people according to the law, he took the blood of calves and goats with water and scarlet wool and hyssop and sprinkled both the book itself and all the people,

[9:13]  ¹ tn Grk “for the purifying of the flesh.” The “flesh” here is symbolic of outward or ritual purity in contrast to inner purity, that of the conscience (cf. Heb 9:9).