Numbers 32:7-11

7Why will you discourage the heart of the people of Israel from going over into the land that the Lord has given them?

8Your fathers did this, when I sent them 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 people of Israel from going into the land that the Lord had given them.

10And the Lord's anger was kindled on that day, and he swore, saying,

11'Surely none of the men who came up out of Egypt, from twenty years old and upward, shall see the land that I swore to give to Abraham, to Isaac, and to Jacob, because they have not wholly followed me,