גַּ֣ם בִּיהוּדָ֗ה הָֽיְתָה֙ יַ֣ד הָאֱלֹהִ֔ים לָתֵ֥ת לָהֶ֖ם לֵ֣ב אֶחָ֑ד לַעֲשׂ֞וֹת מִצְוַ֥ת הַמֶּ֛לֶךְ וְהַשָּׂרִ֖ים בִּדְבַ֥ר יְהוָֽה׃
Also in Judah was the hand of God to give them one heart, to do the commandment of the king and of the princes by the word of the LORD.
Read Midrashic interpretations of II Chronicles 30:12: rabbinic exegesis from Bereshit Rabbah, Shemot Rabbah and classical Midrash sources, free.