49 'And he hath taken for the cleansing of the house two birds, and cedar wood, and scarlet, and hyssop; 50 and he hath slaughtered the one bird upon an earthen vessel, over running water; 51 and he hath taken the cedar wood, and the hyssop, and the scarlet, and the living bird, and hath dipped them in the blood of the slaughtered bird, and in the running water, and hath sprinkled upon the house seven times. 52 'And he hath cleansed the house with the blood of the bird, and with the running water, and with the living bird, and with the cedar wood, and with the hyssop, and with the scarlet; 53 and he hath sent away the living bird unto the outside of the city unto the face of the field, and hath made atonement for the house, and it hath been clean.

Matthew Henry's Commentary on Leviticus 14:49-53

Commentary on Leviticus 14:33-53

(Read Leviticus 14:33-53)

The leprosy in a house is unaccountable to us, as well as the leprosy in a garment; but now sin, where that reigns in a house, is a plague there, as it is in a heart. Masters of families should be aware, and afraid of the first appearance of sin in their families, and put it away, whatever it is. If the leprosy is got into the house, the infected part must be taken out. If it remain in the house, the whole must be pulled down. The owner had better be without a dwelling, than live in one that was infected. The leprosy of sin ruins families and churches. Thus sin is so interwoven with the human body, that it must be taken down by death.