וּבְכָֽל־מַעֲשֶׂ֞ה אֲשֶׁר־הֵחֵ֣ל ׀ בַּעֲבוֹדַ֣ת בֵּית־הָאֱלֹהִ֗ים וּבַתּוֹרָה֙ וּבַמִּצְוָ֔ה לִדְרֹ֖שׁ לֵֽאלֹהָ֑יו בְּכָל־לְבָב֥וֹ עָשָׂ֖ה וְהִצְלִֽיחַ׃ (פ)
And in every work that he began in the service of the house of God, and in the law, and in the commandments, to seek his God, he did it with all his heart, and prospered.
Read midrashic interpretation of II Chronicles 31:21: and classical rabbinic exegesis.