Leviticus 20:25

The English Standar Version

You shall therefore separate the clean beast from the unclean, and the unclean bird from the clean. You shall not make yourselves detestable by beast or by bird or by anything with which the ground crawls, which I have set apart for you to hold unclean.

Cross References

Genesis 1:21

So God created the great sea creatures and every living creature that moves, with which the waters swarm, according to their kinds, and every winged bird according to its kind. And God saw that it was good.

Leviticus 10:10

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

Acts 10:28

And he said to them, "You yourselves know how unlawful it is for a Jew to associate with or to visit anyone of another nation, but God has shown me that I should not call any person common or unclean.