Leviticus 11:43

43 a  You shall not make yourselves detestable with any swarming thing that swarms, and you shall not defile yourselves with them, and become unclean through them.

Leviticus 20:25

25 b  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.

Isaiah 65:4

4who sit in tombs,
and spend the night in secret places;
c  who eat pig’s flesh,
and broth of tainted meat is in their vessels;

Ezekiel 4:14

14Then I said, d  Ah, Lord  God! Behold, I have never defiled myself.
Hebrew my soul (or throat) has never been made unclean
f  From my youth up till now I have never eaten g  what died of itself or was torn by beasts, nor has h  tainted meat come into my mouth.”

Acts 10:12-14

12In it were all kinds of animals and reptiles and birds of the air. 13And there came a voice to him: Rise, Peter; kill and eat.” 14But Peter said, “By no means, Lord; i  for I have never eaten anything that is j  common or k  unclean.”

Romans 14:14

14I know and am persuaded in the Lord Jesus l  that nothing is unclean in itself, m  but it is unclean for anyone who thinks it unclean.
Copyright information for ESV