Literally, the words run thus - "And the children of Israel concealed (or 'dissembled') words which were not so concerning the Lord their God;" the true meaning of which probably is, the Israelites cloaked or covered their idolatry with the pretence that it was a worship of Yahweh: they glossed it over and dissembled toward God, instead of openly acknowledging their apostasy.

From the tower of the watchmen to the fenced city - This phrase was probably a proverbial expression for universality, meaning strictly; "alike in the most populous and in the most desolate regions." "Towers of watchmen" were built for the protection of the flocks and herds which were pastured in waste and desert places 2 Chronicles 26:10; 2 Chronicles 27:4.

Did secretly those things - There was much hidden iniquity and private idolatry among them, as well as public and notorious crimes.

From the tower of the watchmen to the fenced city - That is, the idolatry was universal; every place was made a place for some idolatrous rite or act of worship; from the largest city to the smallest village, and from the public watchtower to the shepherd's cot.

And the children of Israel did secretly those things that were not right against the Lord their God,.... As being partly conscious to themselves that they were not right, and ashamed to commit them openly; and partly as foolishly imagining, that, being done privately, they were not seen and observed of God, having imbibed some atheistical notions of him, that he was not omniscient, or saw not, and had forsaken the earth; or they "covered" (g) these actions of theirs under reigned and plausible pretences, that what they did they were obliged to by their kings, and with political views, and that they worshipped the true God in the calves; but these were coverings too thin not to be seen through:

and they built them high places in all their cities, from the tower of the watchmen to the fenced city; not content with those built in former times, they built new ones; and these not in their metropolis only, but in all the cities of the kingdom; and not in large cities only, but in every town and village between one fortified city and another; even wherever there was a watch tower erected, either for shepherds to watch their flocks, or for keepers of gardens, orchards, and vineyards, to watch the fruits of them, that they were not taken away.

(g) "occultaverunt", Montanus, Vatablus, Grotius; "palliaverunt", Piscator.

דברים ויחפּאוּ: "they covered words which were not right concerning Jehovah their God," i.e., they sought to conceal the true nature of Jehovah their God," i.e., they sought to conceal the true nature of Jehovah by arbitrary perversions of the word of God. This is the explanation correctly given by Hengstenberg (Dissert. vol. i. p. 210, transl.); whereas the interpretation proposed by Thenius, "they trifled with things which were not right against Jehovah," is as much at variance with the usage of the language as that of Gesenius (thes. p. 5050, perfide egerunt res ... in Jehovam, since חפּא with על simply means to cover over a thing (cf. Isaiah 4:5). This covering of words over Jehovah showed itself in the fact that they built בּמות (altars on high places), and by worshipping God in ways of their own invention concealed the nature of the revealed God, and made Jehovah like the idols. "In all their cities, from the tower of the watchmen to the fortified city." נוצרים מגדּל is a tower built for the protection of the flocks in the steppes (2 Chronicles 26:10), and is mentioned here as the smallest and most solitary place of human abode in antithesis to the large and fortified city. Such bamoth were the houses of high places and altars built for the golden calves at Bethel and Dan, beside which no others are mentioned by name in the history of the kingdom of the ten tribes, which restricts itself to the principal facts, although there certainly must have been others.

And the children of Israel did secretly those things that were not right against the LORD their God, and they built them high places in all their cities, from the tower {e} of the watchmen to the fenced city.

(e) Meaning, throughout all their borders.

17:9 Did secretly - This belongs, either, To their gross idolatries, and other abominable practices, which they were ashamed to own before others; or, to the worship of calves: and so the words are otherwise rendered; they covered things that were not right towards the Lord: they covered their idolatrous worship of the calves, with fair pretences of necessity, the two kingdoms being now divided, and at enmity; and of their honest intention of serving the true God, and retaining the substance of the Jewish religion. City - In all parts and places, both in cities, and in the country; yea, in the most uninhabited parts, where few or none dwell, beside the watchmen, who are left there in towers, to preserve the cattle and fruits of the earth, or to give notice of the approach of enemies.

17:7-23 Though the destruction of the kingdom of the ten tribes was but briefly related, it is in these verses largely commented upon, and the reasons of it given. It was destruction from the Almighty: the Assyrian was but the rod of his anger, Isa 10:5. Those that bring sin into a country or family, bring a plague into it, and will have to answer for all the mischief that follows. And vast as the outward wickedness of the world is, the secret sins, evil thoughts, desires, and purposes of mankind are much greater. There are outward sins which are marked by infamy; but ingratitude, neglect, and enmity to God, and the idolatry and impiety which proceed therefrom, are far more malignant. Without turning from every evil way, and keeping God's statutes, there can be no true godliness; but this must spring from belief of his testimony, as to wrath against all ungodliness and unrighteousness, and his mercy in Christ Jesus.