Of every clean beast thou shalt take to thee by sevens, the male and his female: and of beasts that are not clean by two, the male and his female.
Of fowls of the air also by sevens, the male and the female; to keep seed alive on the face of all the earth.
Of clean beasts, and of beasts that are not clean, and of fowls, and of every animal that creepeth upon the earth;
And Noah built an altar to 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 profane, and cause them to discern between the unclean and the clean.
And that ye may make a difference between holy and unholy, and between unclean and clean;