Leviticus 11:47 KJV

To make a difference between the unclean and the clean, and between the beast that may be eaten and the beast that may not be eaten.

What animals were clean and uncleanThese laws seem to have been intended, 1. As a test of the people's obedience, as Adam was forbidden to eat of the tree of knowledge; and to teach them...

Leviticus 10:10 And that ye may put difference between holy and unholy, and between unclean and clean;
Ezekiel 44:23 And they shall teach my people the difference between the holy and profane, and cause them to discern between the unclean and the clean.
Malachi 3:18 Then shall ye return, and discern between the righteous and the wicked, between him that serveth God and him that serveth him not.
Romans 14:2–3 For one believeth that he may eat all things: another, who is weak, eateth herbs. …
Romans 14:13–23 Let us not therefore judge one another any more: but judge this rather, that no man put a stumblingblock or an occasion to fall in his brother's way. …

From OpenBible.info, most relevant first.

To make a difference לְהַבְדִּיל lĕhabdîl בָּדַל Verb · hiphil infinitive construct · with preposition
between the unclean בֵּין bên Preposition הַטָּמֵא haṭṭāmēʾ טָמֵא Adjective · masculine singular · with the וּבֵין ûbên Preposition · with and
and the clean הַטָּהֹר haṭṭāhōr טָהוֹר Adjective · masculine singular · with the
and between the beast וּבֵין ûbên Preposition · with and הַחַיָּה haḥayyâ חַי Noun · feminine singular · with the וּבֵין ûbên Preposition · with and
that may be eaten הַנֶּאֱכֶלֶת hanneʾĕkelet אָכַל Verb · niphal passive participle, feminine singular · with the
and the beast הַחַיָּה haḥayyâ חַי Noun · feminine singular · with the
that may not be eaten אֲשֶׁר ʾăšer Relative לֹא lōʾ Negative תֵאָכֵל tēʾākēl אָכַל Verb · niphal imperfect, third person feminine singular

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