וָאֵ֣דְעָ֔ה כִּֽי־מְנָי֥וֹת הַלְוִיִּ֖ם לֹ֣א נִתָּ֑נָה וַיִּבְרְח֧וּ אִישׁ־לְשָׂדֵ֛הוּ הַלְוִיִּ֥ם וְהַמְשֹׁרְרִ֖ים עֹשֵׂ֥י הַמְּלָאכָֽה׃
And I perceived that the portions of the Levites had not been given them; so that the Levites and the singers, that did the work, were fled every one to his field.
Read Jewish philosophical commentary on Nehemiah 13:10: and classical philosophical sources.