בַּאֲשֶׁ֤ר תָּמ֙וּתִי֙ אָמ֔וּת וְשָׁ֖ם אֶקָּבֵ֑ר כֹּה֩ יַעֲשֶׂ֨ה יְהוָ֥ה לִי֙ וְכֹ֣ה יֹסִ֔יף כִּ֣י הַמָּ֔וֶת יַפְרִ֖יד בֵּינִ֥י וּבֵינֵֽךְ׃
where thou diest, will I die, and there will I be buried; the LORD do so to me,and more also, if aught but death part thee and me.’
Read kabbalistic (mystical) interpretation of Ruth 1:17: and classical mystical sources.