Psalms 89:30-37
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).
35. Once—one thing (Ps 27:4).
by my holiness—as a holy God. that I will not lie—literally, "if I lie"—part of the form of swearing (1Sa 24:6; 2Sa 3:35).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."