Numbers 32:7-11

7Now why will you discourage the heart of the children of Israel from going over into the land which the Lord has given them?

8Thus your fathers did when I sent them away from Kadesh Barnea to see the land.

9For when they went up to the Valley of Eshcol and saw the land, they discouraged the heart of the children of Israel, so that they did not go into the land which the Lord had given them.

10So the Lord’s anger was aroused on that day, and He swore an oath, saying,

11‘Surely none of the men who came up from Egypt, from twenty years old and above, shall see the land of which I swore to Abraham, Isaac, and Jacob, because they have not wholly followed Me,