Hebrews 9:13

For if the blood of goats and bulls, and the ashes of a heifer sprinkling those who have been defiled, sanctify to the purifying of the flesh,

2 Corinthians 5:21

Him, who knew not sin, he made sin for us, that we might become Gods righteousness in him.

2 Corinthians 7:1

Having then these promises, beloved, let us cleanse ourselves from all pollution of flesh and spirit, perfecting holiness in the fear of God.

Hebrews 7:26

For such a highpriest also became us, holy, harmless, undefiled, separate from sinners, and made higher than the heavens;

Treasury of Scripture Knowledge

Summary

And a man that is clean shall gather up the ashes of the heifer, and lay them up without the camp in a clean place, and it shall be kept for the congregation of the children of Israel for a water of separation: it is a purification for sin.

A water of separation

Bible References

Clean

2 Corinthians 5:21
Him, who knew not sin, he made sin for us, that we might become Gods righteousness in him.
Hebrews 7:26
For such a highpriest also became us, holy, harmless, undefiled, separate from sinners, and made higher than the heavens;
Hebrews 9:13
For if the blood of goats and bulls, and the ashes of a heifer sprinkling those who have been defiled, sanctify to the purifying of the flesh,

A water of separation

2 Corinthians 7:1
Having then these promises, beloved, let us cleanse ourselves from all pollution of flesh and spirit, perfecting holiness in the fear of God.