For when your fathers went up to the Valley of Eshcol and saw the land, they discouraged the Israelites from entering the land that the LORD had given them.
And the Lord's anger was kindled, the same time,.... Against the spies that brought the ill report, and against all the people that were disheartened and murmured upon it, and which, above all things, was to be dreaded now: and he sware, saying; as follows.
Num 32:6-13 Moses first of all blames their want of brotherly feeling: “Shall your brethren go into the war, and ye sit here?” He then calls their attention to the fact, that by their disinclination they would take away the courage and inclination of the other tribes to cross over the Jordan and conquer the land, and would bring the wrath of God upon Israel...
Commenting on Numbers 32:6-13