Jer 33:18

וְלַכֹּהֲנִים֙ הַלְוִיִּ֔ם לֹֽא־יִכָּרֵ֥ת אִ֖ישׁ מִלְּפָנָ֑י מַעֲלֶ֨ה עוֹלָ֜ה וּמַקְטִ֥יר מִנְחָ֛ה וְעֹ֥שֶׂה־זֶּ֖בַח כָּל־הַיָּמִֽים׃ ס

nor will the priests who are Levites ever fail to have a man before Me to offer burnt offerings, to burn grain offerings, and to present sacrifices.”