כִּ֤י כָל־הַנֶּ֙פֶשׁ֙ אֲשֶׁ֣ר לֹֽא־תְעֻנֶּ֔ה בְּעֶ֖צֶם הַיּ֣וֹם הַזֶּ֑ה וְנִכְרְתָ֖ה מֵֽעַמֶּֽיהָ׃
For whatsoever soul it be that shall not be afflicted in that same day, he shall be cut off from his people.
Read kabbalistic (mystical) interpretation of Leviticus 23:29: and classical mystical sources.