Leviticus 14:51

Then he will take the cedar wood, the hyssop, the red cord, and the live bird and dip them in the blood of the bird that was killed and in the fresh water. He will sprinkle the house seven times.

Psalm 51:7

Purify me from sin with hyssop, and I will be clean. Wash me, and I will be whiter than snow.

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