וַיֹּ֤אמֶר יַעֲקֹב֙ אֶל־בֵּית֔וֹ וְאֶ֖ל כָּל־אֲשֶׁ֣ר עִמּ֑וֹ הָסִ֜רוּ אֶת־אֱלֹהֵ֤י הַנֵּכָר֙ אֲשֶׁ֣ר בְּתֹכְכֶ֔ם וְהִֽטַּהֲר֔וּ וְהַחֲלִ֖יפוּ שִׂמְלֹתֵיכֶֽם׃
Then Jacob said unto his household, and to all that were with him: ‘Put away the strange gods that are among you, and purify yourselves, and change your garments;
Read kabbalistic (mystical) interpretation of Genesis 35:2: and classical mystical sources.