וְכִ֣י תִשְׁגּ֔וּ וְלֹ֣א תַעֲשׂ֔וּ אֵ֥ת כָּל־הַמִּצְוֺ֖ת הָאֵ֑לֶּה אֲשֶׁר־דִּבֶּ֥ר יְהוָ֖ה אֶל־מֹשֶֽׁה׃
And when ye shall err, and not observe all these commandments, which the LORD hath spoken unto Moses,
Read kabbalistic (mystical) interpretation of Numbers 15:22: and classical mystical sources.