Leviticus 11:23-25

All other That is, which have not those legs above and beside their feet, mentioned Leviticus 11:21. For these ye shall be unclean If they did either eat, or so much as touch the carcasses of them, they were not, for that day, to come into the tabernacle, to eat of any holy thing, or to converse freely with their neighbours. And as a sign of this legal uncleanness, (Leviticus 11:25,) they were to bathe in water, which was the usual rite of purification in such cases. Until the even They were to keep apart by themselves all that day: for their day began in the evening. “The uncleanness continued only till the evening,” says Henry, “to signify that all ceremonial pollutions were to come to an end by the death of Christ in the evening of this world.” And we must learn by daily renewing our repentance every night for the failings of the day, and by a fresh application to the blood of sprinkling, to cleanse ourselves from the pollutions which we contract by them, that we may not lie down in our uncleanness.