Of every clean beast you shall take to you by sevens, the male and his female: and of beasts that are not clean by two, the male and his female.
Of fowls also of the air by sevens, the male and the female; to keep their kind alive upon the face of all the earth.
Of clean beasts, and of beasts that are not clean, and of fowls, and of everything that creeps upon the earth,
And Noah built an altar unto the LORD; and took of every clean beast, and of every clean fowl, and offered burnt offerings on the altar.
And they shall teach my people the difference between the holy and the common, and cause them to discern between the unclean and the clean.
And that you may put difference between holy and unholy, and between unclean and clean;