Genesis 7:2
You shall take with you every clean animal by sevens, the male and female. And take two of the animals that are not clean, the male and female.
Genesis 8:20
And Noah built an altar to Jehovah. And he took of every clean animal, and of every clean bird, and offered burnt offerings on the altar.
Leviticus 11:1-47
And Jehovah spoke to Moses and to Aaron, saying to them,
Genesis 7:8
Of the clean animals, and of the animals that were not clean, and of the fowls, and of everything that creeps on the earth,
Leviticus 10:10
Even for a distinction between the holy and unholy, and between the unclean and clean
Genesis 6:19-21
And you shall bring into the ark two of every kind, of every living thing of all flesh, to keep them alive with you. They shall be male and female.
Deuteronomy 14:1-21
You are the sons of Jehovah your God. You shall not cut yourselves nor make any baldness between your eyes for the dead.
Ezekiel 44:23
And they shall teach My people to discern between the holy and common, and between the unclean and the clean.
Acts 10:11-15
And he saw the heaven opened and a certain vessel like a sheet coming down to him, being bound at the four corners and let down to the earth;