חוֹלֵ֣ק עִם־גַּ֭נָּב שׂוֹנֵ֣א נַפְשׁ֑וֹ אָלָ֥ה יִ֝שְׁמַ֗ע וְלֹ֣א יַגִּֽיד׃
Whoso is partner with a thief hateth his own soul: He heareth the adjuration and uttereth nothing.
Read kabbalistic (mystical) interpretation of Proverbs 29:24: and classical mystical sources.