Genesis 7:2
Take with you seven of every kind of clean animal, a male and its mate, and two of every kind of unclean animal, a male and its mate.
Genesis 8:20
Noah built an altar to Jehovah and, taking some of all the clean animals and clean birds, he sacrificed burnt offerings on it.
Leviticus 11:1-47
Jehovah spoke to Moses and Aaron:
Genesis 7:8
Pairs of clean and unclean animals, of birds and of all creatures that move along the ground,
Leviticus 10:10
You must learn the difference (distinction) between what is holy and what is not holy and between the clean and the unclean.
Genesis 6:19-21
Bring into the ark two of all living creatures, male and female, to keep them alive with you.
Deuteronomy 14:1-21
You are the sons of Jehovah your God. Do not cut yourselves nor shave your forehead for the sake of the dead.
Ezekiel 44:23
They must teach my people the difference between what is holy and what is unholy. They must show the people how to tell the difference between what is clean and what is unclean.
Acts 10:11-15
He saw heaven opened, something like a great sheet lowered by the four corners was descending to the earth.