'Spots' in the Bible

“When a man or a woman has bright spots on the skin of the body, even white bright spots,

then the priest shall look, and if the bright spots on the skin of their bodies is a dull white, it is [only] a rash that has broken out on the skin; he is clean.

He shall examine the mark, and if the mark on the walls of the house has greenish or reddish depressions and appears deeper than the surface,

“Can the Ethiopian change his skinOr the leopard his spots?Then you also can do goodWho are accustomed to evil and even trained to do it.