"For Ezra had dedicated himself to study the Teaching of the Lord so as to observe it, and to reach laws and rules to Israel."
(Ezra 7:10)
"The Holy One, blessed be He, says: If a man occupies himself with the study of the Torah and with works of charity and prays with the congregation, I account it to him as if he had redeemed Me and My children from among the nations of the world."
(Babylonian Talmud, Berakhot, 8a)
"For Ezra had dedicated himself to study the Teaching of the Lord so as to observe it, and to reach laws and rules to Israel."