A Commentary, Critical, Practical, and Explanatory on the Old and New Testaments, by Robert Jamieson, A.R. Fausset and David Brown  at sacred-texts.com
ezr 5:1ZERUBBABEL AND JESHUA SET FORWARD THE BUILDING OF THE TEMPLE IN THE REIGN OF DARIUS. (Ezra 5:1-17)
Then the prophets . . . prophesied . . . in the name of the God of Israel--From the recorded writings of Haggai and Zechariah, it appears that the difficulties experienced and the many obstacles thrown in the way had first cooled the zeal of the Jews in the building of the temple, and then led to an abandonment of the work, under a pretended belief that the time for rebuilding it had not yet come (Hag 1:2-11). For fifteen years the work was completely suspended. These two prophets upbraided them with severe reproaches for their sloth, negligence, and worldly selfishness (Hag 1:4), threatened them with severe judgments if they continued backward, and promised that they would be blessed with great national prosperity if they resumed and prosecuted the work with alacrity and vigor.
Zechariah the son of Iddo--that is, grandson (Zac 1:1).
ezr 5:2Then rose up Zerubbabel . . . and Jeshua . . . began to build the house of God--The strong appeals and animating exhortations of these prophets gave a new impulse to the building of the temple. It was in the second year of the reign of Darius Hystaspes that the work, after a long interruption, was resumed.
ezr 5:3At the same time came to them Tatnai, governor on this side the river--The Persian empire west of the Euphrates included at this time Syria, Arabia, Egypt, PhÅnicia, and other provinces subject to Darius. The empire was divided into twenty provinces, called satrapies. Syria formed one satrapy, inclusive of Palestine, PhÅnicia, and Cyprus, and furnished an annual revenue of three hundred fifty talents. It was presided over by a satrap or viceroy, who at this time resided at Damascus. Though superior to the native governors of the Jews appointed by the Persian king, he never interfered with their internal government except when there was a threatened disturbance of order and tranquillity. Tatnai, the governor (whether this was a personal name or an official title is unknown), had probably been incited by the complaints and turbulent outrages of the Samaritans against the Jews; but he suspended his judgment, and he prudently resolved to repair to Jerusalem, that he might ascertain the real state of matters by personal inspection and enquiry, in company with another dignified officer and his provincial council.
ezr 5:5But the eye of their God was upon the elders of the Jews, &c.--The unusual presence, the imposing suite, the authoritative enquiries of the satrap appeared formidable, and might have produced a paralyzing influence or led to disastrous consequences, if he had been a partial and corrupt judge or actuated by unfriendly feelings towards the Jewish cause. The historian, therefore, with characteristic piety, throws in this parenthetical verse to intimate that God averted the threatening cloud and procured favor for the elders or leaders of the Jews, that they were not interrupted in their proceedings till communications with the court should be made and received. Not a word was uttered to dispirit the Jews or afford cause of triumph to their opponents. Matters were to go on till contrary orders arrived from Babylon. After surveying the work in progress, he inquired: first, by what authority this national temple was undertaken; and, secondly, the names of the principal promoters and directors of the undertaking. To these two heads of enquiry the Jews returned ready and distinct replies. Then having learned that it originated in a decree of Cyrus, who had not only released the Jewish exiles from captivity and permitted them to return to their own land for the express purpose of rebuilding the house of God, but, by an act of royal grace, had restored to them the sacred vessels which Nebuchadnezzar had carried off as trophies from the former temple, Tatnai transmitted all this information in an official report to his imperial master, accompanying it with a recommendatory suggestion that search should be made among the national archives at Babylon for the original decree of Cyrus, that the truth of the Jews' statement might be verified. The whole conduct of Tatnai, as well as the general tone of his despatch, is marked by a sound discretion and prudent moderation, free from any party bias, and evincing a desire only to do his duty. In all respects he appears in favorable contrast with his predecessor, Rehum (Ezr 4:9).
ezr 5:8the house of the great God, which is builded with great stones--literally, "stones of rolling"; that is, stones of such extraordinary size that they could not be carried--they had to be rolled or dragged along the ground.
ezr 5:13Cyrus the king . . . made a decree--The Jews were perfectly warranted according to the principles of the Persian government to proceed with the building in virtue of Cyrus' edict. For everywhere a public decree is considered as remaining in force until it is revoked but the "laws of the Medes and Persians changed not" [Dan 6:8, Dan 6:12, Dan 6:15].
ezr 5:16Then came . . . Shesh-bazzar . . . since that time even until now hath it been in building--This was not a part of the Jews' answer--they could not have said this, knowing the building had long ceased. But Tatnai used these expressions in his report, either looking on the stoppage as a temporary interruption, or supposing that the Jews were always working a little, as they had means and opportunities.