John Trapp on Ezra 4:2

Verſe 2. Let us build with you] Craftily and treacherouſly do they offer their coſt and paines, ut illis intermixti perſonas committerent, atque ita opus interverterent, ſaith one well; that mingling with them, they might ſet them together by the eares, and ſo put a ſtop to the work.Socrat. Theodor. Thus Julian, to ſpight the Chriſtians, firſt ſet the Jewes awork to rebuild their Temple: and when that would not be, he called home the Arian-Biſhops out of baniſhment, to breed new broyles in the Church. The Jeſuites have a practice at this day, of running over to the Lutheran Church, pretending to be Converts, and to build with them: but it is onely to keep up that bitter contention that is betweene the Calviniſts and the Lutherans. And what ill offices they do amongſt us at this day to heighten our diviſions, and hinder the Reformation (by their wiles, much enſnared and hindered) good men are very ſenſible of. The Lord detect and defeat them.

For we ſeeke your God, as ye do] Nay, not as ye do. See 2 Kings 17.32, 33, 34. they feared the Lord, not filially, but for his Lions: as the old Romanes worſhipped their Veiones, leſt they ſhould hurt them: and as the Caffrani (a people in India) worſhip Devils in moſt terrible figure, that they may not puniſh them.

Since the dayes of Eſar-haddon] Sonne and ſucceſſour to Sennacherib, 2 Kings 19.37. grand ſon to Salmaneſer: after whom, it ſeemes, he brought a new colony into the Land of Samaria, who proved deadly enemies to Gods people.