Proverbs 28:21 Kabbalah

הַֽכֵּר־פָּנִ֥ים לֹא־ט֑וֹב וְעַל־פַּת־לֶ֝֗חֶם יִפְשַׁע־גָּֽבֶר׃

To have respect of persons is not good; For a man will transgress for a piece of bread.

Read kabbalistic (mystical) interpretation of Proverbs 28:21: and classical mystical sources.