Numbers 32:8

5 And they said, With your approval, let this land be given to your servants as their heritage: do not take us over Jordan.

6 And Moses said to the children of Gad and the children of Reuben, Are your brothers to go to the war, while you take your rest here?

7 Why would you take from the children of Israel the desire to go over into the land which the Lord has given them?

8 So did your fathers, when I sent them from Kadesh-barnea to see the land.

9 For when they went up to the valley of Eshcol, and saw the land, they took from the children of Israel the desire to go into the land which the Lord had given them.

10 And at that time the Lord was moved to wrath, and made an oath, saying,

11 Truly, not one of the men of twenty years old and over who came out of Egypt will see the land which I gave by oath to Abraham, Isaac, and Jacob; because they have not been true to me with all their heart;