Leviticus 20:25

Revised Standard Version (RSV-CI)

You shall therefore make a distinction between the clean beast and the unclean, and between the unclean bird and the clean; you shall not make yourselves abominable by beast or by bird or by anything with which the ground teems, which I have set apart for you to hold unclean.

Cross References

Genesis 1:21

So God created the great sea monsters 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 any one of another nation; but God has shown me that I should not call any man common or unclean.