מִ֤י בָכֶם֙ הַנִּשְׁאָ֔ר אֲשֶׁ֤ר רָאָה֙ אֶת־הַבַּ֣יִת הַזֶּ֔ה בִּכְבוֹד֖וֹ הָרִאשׁ֑וֹן וּמָ֨ה אַתֶּ֜ם רֹאִ֤ים אֹתוֹ֙ עַ֔תָּה הֲל֥וֹא כָמֹ֛הוּ כְּאַ֖יִן בְּעֵינֵיכֶֽם׃
Who is left among you that saw this house in its former glory? and how do ye see it now? is not such a one as nothing in your eyes?
Read kabbalistic (mystical) interpretation of Haggai 2:3: and classical mystical sources.