And when many troubles and afflictions have come upon them, this song will testify against them, because it will not be forgotten from the lips of their descendants. For I know their inclination, even before I bring them into the land that I swore to give them.”
Here, I. Moses and Joshua are summoned to attend the divine majesty at the door of the tabernacle, Deu 31:14. Moses is told again that he must shortly die; even those that are most ready and willing to die have need to be often reminded of the approach of death.
Commenting on Deuteronomy 31:14-21
Moses therefore wrote this song the same day,.... The same day it was dictated to him by divine inspiration; he wrote it, as Josephus says (d),"in hexameter verse, which he left in the holy Bible or book (the Pentateuch), containing (as he adds) a prophecy of things future, according to which all things have been done, and are done; and in nothing of it has...
And it shall come to pass, when many evils and troubles are befallen them, that this song shall testify against them as a witness; for it shall not be forgotten out of the mouths of their seed: for I know their imagination which they go about, even now, before I have brought them into the land which I sware.