Genesis 7:2
You are to take with you seven pairs of every clean animal, a male and its mate, and two of the unclean animals, a male and its mate;
Genesis 8:20
Then Noah built an altar to the LORD and offered burnt offerings on it from every clean animal and every clean bird.
Leviticus 11:1-47
The LORD told Moses and Aaron,
Genesis 7:8
From both clean and unclean animals, from birds, and from everything that crawls on the ground,
Leviticus 10:10
You are to differentiate between what's sacred and common and between what's unclean and clean.
Genesis 6:19-21
You are to bring two of every living thing into the ark so they may remain alive with you. They are to be male and female.
Deuteronomy 14:1-21
"You are children of the LORD your God. You must not lacerate yourselves or shave your foreheads on account of the dead,
Ezekiel 44:23
"They are to teach my people how to discern what is holy in contrast to what is common, showing them how to discern between what is unclean and clean.
Acts 10:11-15
and saw heaven open and something like a large linen sheet coming down, being lowered by its four corners to the ground.