And they are to make clear to my people the division between what is holy and what is common, and to give them the knowledge of what is clean and what is unclean.
But if the mark on his skin is white, and does not seem to go deeper than the skin, and the hair on it is not turned white, then the priest will keep him shut up for seven days;
If there are red or green marks on the clothing, or on the leather, or in the threads of the cloth, or in anything made of skin, it is the leper's disease: let the priest see it.
And he is to see the mark on the seventh day; if the mark is increased in the clothing, or in the threads of the material, or in the leather, whatever the leather is used for, it is the disease biting into it: it is unclean.