Why should there be wrath - As he believed he was appointed by the Almighty to do this work, he therefore wished to do it heartily, knowing that if he did not, God would be displeased, and that the kingdom would be cut off from him or his posterity.

Whatsoever is commanded. Chal. Whatsoever is of the decree

Ezra 7:13,18 I make a decree, that all they of the people of Israel, and of his priests and Levites, in my realm...

let it be

Psalm 119:4 You have commanded us to keep your precepts diligently.

why should there be wrath (As Artaxerxes believed he was appointed by the Almighty to do this work, he therefore wished to do it heartily; knowing that if he did not, God would be displeased, and that the kingdom would be cut off from him or his posterity.)

Ezra 6:10-12 That they may offer sacrifices of sweet smells to the God of heaven, and pray for the life of the king, and of his sons...

Zechariah 12:3 And in that day will I make Jerusalem a burdensome stone for all people: all that burden themselves with it shall be cut in pieces...

Rome and Ephesus
Corinth as portrayed in the Epistles of Paul gives us our simplest and least contaminated picture of the Hellenic Christianity which regarded itself as the cult of the Lord Jesus, who offered salvation--immortality--to those initiated in his mysteries. It had obvious weaknesses in the eyes of Jewish Christians, even when they were as Hellenised as Paul, since it offered little reason for a higher standard of conduct than heathenism, and its personal eschatology left no real place for the resurrection …
Kirsopp Lake—Landmarks in the History of Early Christianity

Formation and History of the Hebrew Canon.
1. The Greek word canon (originally a straight rod or pole, measuring-rod, then rule) denotes that collection of books which the churches receive as given by inspiration of God, and therefore as constituting for them a divine rule of faith and practice. To the books included in it the term canonical is applied. The Canon of the Old Testament, considered in reference to its constituent parts, was formed gradually; formed under divine superintendence by a process of growth extending through …
E. P. Barrows—Companion to the Bible

Appendix v. Rabbinic Theology and Literature
1. The Traditional Law. - The brief account given in vol. i. p. 100, of the character and authority claimed for the traditional law may here be supplemented by a chronological arrangement of the Halakhoth in the order of their supposed introduction or promulgation. In the first class, or Halakhoth of Moses from Sinai,' tradition enumerates fifty-five, [6370] which may be thus designated: religio-agrarian, four; [6371] ritual, including questions about clean and unclean,' twenty-three; [6372] concerning …
Alfred Edersheim—The Life and Times of Jesus the Messiah