כִּ֛י אִם־אִ֥ישׁ בַּעֲוֺנ֖וֹ יָמ֑וּת כָּל־הָֽאָדָ֛ם הָאֹכֵ֥ל הַבֹּ֖סֶר תִּקְהֶ֥ינָה שִׁנָּֽיו׃ (ס)
But every one shall die for his own iniquity; every man that eateth the sour grapes, his teeth shall be set on edge.
Read kabbalistic (mystical) interpretation of Jeremiah 31:30: and classical mystical sources.