When Moses told these words to all the people of Israel, the people mourned greatly.
39. And Moses told all these sayings. It was, indeed, a just cause for mourning, when they heard that God, whose longsuffering they had so wantonly abused, would hereafter be inexorable. Yet here we have set before our eyes that “sorrow of the world which worketh death,” as Paul says, (2 Corinthians 7:10,) when the wicked, as they weep and complain, cease not to murmur...
Here is, I. The sudden death of the ten evil spies. While the sentence was passing upon the people, before it was published, they died of the plague before the Lord, Num 14:36, Num 14:37. Now, 1. God hereby showed his particular displeasure against those who sinned and made Israel to sin. (1.) They sinned themselves, in bringing up a slander upon the land of promise.
Commenting on Numbers 14:36-45
And they rose up early in the morning,.... The next morning after they had heard the bad news of their consumption in the wilderness; not being able, perhaps, to sleep that night with the thoughts of it, and being now in a great haste to go up and possess the land of Canaan, as they were before to return to Egypt: and gat them up...