Deuteronomy 4:26

4:26 I invoke heaven and earth as witnesses against you today that you will surely and swiftly be removed from the very land you are about to cross the Jordan to possess. You will not last long there because you will surely be annihilated.

Deuteronomy 27:3

27:3 Then you must inscribe on them all the words of this law when you cross over, so that you may enter the land the Lord your God is giving you, a land flowing with milk and honey just as the Lord, the God of your ancestors, said to you.