Genesis 7:2

Treasury of Scripture Knowledge

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 clean animals, and of animals that are not clean, and of birds, and of everything that creeps on the ground,

And of every living thing of all flesh, you shall bring two of every sort into the ark to keep them alive with you. They shall be male and female.

Then Noah built an altar to the LORD and took some of every clean animal and some of every clean bird and offered burnt offerings on the altar.

"You are the sons of the LORD your God. You shall not cut yourselves or make any baldness on your foreheads for the dead.

and saw the heavens opened and something like a great sheet descending, being let down by its four corners upon the earth.

You are to distinguish between the holy and the common, and between the unclean and the clean,

They shall teach my people the difference between the holy and the common, and show them how to distinguish between the unclean and the clean.