Ezra 3:4

3:4 They observed the Festival of Temporary Shelters as required and offered the proper number of daily burnt offerings according to the requirement for each day.

Ezra 7:10

7:10 Now Ezra had dedicated himself to the study of the law of the Lord, to its observance, and to teaching its statutes and judgments in Israel.

Ezra 10:3

10:3 Therefore let us enact a covenant with our God to send away all these women and their offspring, in keeping with your counsel, my lord, and that of those who respect the commandments of our God. And let it be done according to the law.

Ezra 10:5

10:5 So Ezra got up and made the leading priests and Levites and all Israel take an oath to carry out this plan. And they all took a solemn oath.

Ezra 10:11

10:11 Now give praise to the Lord God of your fathers, and do his will. Separate yourselves from the local residents and from these foreign wives.”