וַיַּ֨עַן חַגַּ֜י וַיֹּ֗אמֶר כֵּ֣ן הָֽעָם־הַ֠זֶּה וְכֵן־הַגּ֨וֹי הַזֶּ֤ה לְפָנַי֙ נְאֻם־יְהוָ֔ה וְכֵ֖ן כָּל־מַעֲשֵׂ֣ה יְדֵיהֶ֑ם וַאֲשֶׁ֥ר יַקְרִ֛יבוּ שָׁ֖ם טָמֵ֥א הֽוּא׃
Then answered Haggai, and said: ‘So is this people, and so is this nation before me, saith the LORD; and so is every work of their hands; and that which they offer there is unclean.
Read Jewish philosophy on Haggai 2:14: Rambam's Guide for the Perplexed, Saadia Gaon, and classical Jewish philosophical sources, free online.