Deuteronomy 1:35

35 aNot one of these men of this evil generation shall see the good land that I swore to give to your fathers,

Deuteronomy 2:14

14And the time from our leaving bKadesh-barnea until we crossed cthe brook Zered was thirty-eight years, duntil the entire generation, that is, the men of war, had perished from the camp, as the Lord had sworn to them.
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