Ezra 7:10

¹⁰For Ezra had devoted himself to the study and observance of the Law of the Lord, and to teaching its decrees and laws in Israel.b

Ezra 7 marks a dramatic pivot in the post-exilic story. Nearly sixty years after the temple was rebuilt (Ezra 6), a new figure arrives: Ezra the scribe, a priest with the law of God in his heart and the Persian king's decree in his hand. The chapter traces his genealogy back to Aaro