וְלֹֽא־יִקְח֤וּ מִמְּךָ֙ אֶ֣בֶן לְפִנָּ֔ה וְאֶ֖בֶן לְמֽוֹסָד֑וֹת כִּֽי־שִׁמְמ֥וֹת עוֹלָ֛ם תִּֽהְיֶ֖ה נְאֻם־יְהוָֽה׃
And they shall not take of thee a stone for a corner, Nor a stone for foundations; But thou shalt be desolate for ever, saith the LORD.
Read kabbalistic (mystical) interpretation of Jeremiah 51:26: and classical mystical sources.