18 Then a man who is ceremonially clean is to take some hyssop, dip it in the water, and sprinkle the tent, all the furnishings, and the people who were there. He is also to sprinkle the one who touched a bone, a grave, or a person who has died or been slain.
Numbers 19:18 Cross References - BSB
Numbers 19:9
9 Then a man who is ceremonially clean is to gather up the ashes of the heifer and store them in a ceremonially clean place outside the camp. They must be kept by the congregation of Israel for preparing the water of purification; this is for purification from sin.
Psalms 51:7
7 Purify me with hyssop, and I will be clean; wash me, and I will be whiter than snow.
Ezekiel 36:25-27
25 I will also sprinkle clean water on you, and you will be clean. I will cleanse you from all your impurities and all your idols.
26 I will give you a new heart and put a new spirit within you; I will remove your heart of stone and give you a heart of flesh.
27 And I will put My Spirit within you and cause you to walk in My statutes and to carefully observe My ordinances.
John 15:2-3
John 17:17
17 Sanctify them by the truth; Your word is truth.
John 17:19
19 For them I sanctify Myself, so that they too may be sanctified by the truth.
1 Corinthians 1:30
30 It is because of Him that you are in Christ Jesus, who has become for us wisdom from God: our righteousness, holiness, and redemption.
Hebrews 9:14
14 how much more will the blood of Christ, who through the eternal Spirit offered Himself unblemished to God, purify our consciences from works of death, so that we may serve the living God!