Numbers 32:7-11

7Why do you dishearten Bnei-Yisrael from going across to the land that Adonai has given to them?

8Your fathers did this when I sent them from Kadesh Barnea to look over the land.

9They went up to the Valley of Eshcol and viewed the land, but they discouraged the hearts of Bnei-Yisrael not to enter the land which Adonai had given them.

10The anger of Adonai was aroused that day, and He swore an oath saying:

11‘The men who came out of Egypt, from 20 years old and upward, will not see the land I promised to Abraham, Isaac and Jacob, for they have not followed after Me with a whole heart—