II Chronicles 35:2 Midrash

וַיַּעֲמֵ֥ד הַכֹּהֲנִ֖ים עַל־מִשְׁמְרוֹתָ֑ם וַֽיְחַזְּקֵ֔ם לַעֲבוֹדַ֖ת בֵּ֥ית יְהוָֽה׃

And he set the priests in their charges, and encouraged them to the service of the house of the LORD.

Read midrashic interpretation of II Chronicles 35:2: and classical rabbinic exegesis.