John Gills Exposition of the Bible Commentary - Deuteronomy 31:21
And it shall come to pass, when many evils and troubles are befallen them ,.... As did in the times of the judges, in the Babylonish captivity, and do now in their present exile: that this song shall testify against them as a witness ; which so clearly points at their sins, with all their aggravated circumstances, and describes so fully their calamities, distresses, and punishment for them: for it shall not be forgotten out of the mouths of their seed ; which shows that it respects... read more
Matthew Henry's Complete Commentary - Deuteronomy 31:14-21
Here, I. Moses and Joshua are summoned to attend the divine majesty at the door of the tabernacle, Deut. 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. In consideration of this, he must come himself to meet God; for whatever improves our communion with God furthers our preparation for death. He must also bring Joshua with him to be presented to God for a successor, and to receive... read more