40-45. If they shall confess their iniquity, &c.—This passage holds out the gracious promise of divine forgiveness and favor on their repentance, and their happy restoration to their land, in memory of the covenant made with their fathers (Ro 2:1-29).

     28-37. This relation is perpetual with David's descendants, as a whole typical in official position of his last greatest descendant. Hence though in personal relations any of them might be faithless and so punished, their typical relation shall continue. His oath confirms His promise, and the most enduring objects of earth and heaven illustrate its perpetual force (Ps 72:5, 7, 17).

     37. It shall . . . moon . . . heaven—literally, "As the moon, and the witness in the sky is sure, that is, the moon."

     35. divideth . . . sea when . . . waves . . . roar . . . Lord of hosts . . . name—quoted from Isa 51:15, the genuineness of which passage is thus established on Jeremiah's authority.

     36. a nation—Israel's national polity has been broken up by the Romans. But their preservation as a distinct people amidst violent persecutions, though scattered among all nations for eighteen centuries, unamalgamated, whereas all other peoples under such circumstances have become incorporated with the nations in which they have been dispersed, is a perpetual standing miracle (compare Jer 33:20; Ps 148:6; Isa 54:9, 10).