Deuteronomy 31:29

29 For I know that after my death you are sure to become utterly corrupt and to turn from the way I have commanded you. In days to come, disaster will fall on you because you will do evil in the sight of the LORD and arouse his anger by what your hands have made.”

Read Deuteronomy 31:29 Using Other Translations

For I know that after my death ye will utterly corrupt yourselves, and turn aside from the way which I have commanded you; and evil will befall you in the latter days; because ye will do evil in the sight of the LORD, to provoke him to anger through the work of your hands.
For I know that after my death you will surely act corruptly and turn aside from the way that I have commanded you. And in the days to come evil will befall you, because you will do what is evil in the sight of the LORD, provoking him to anger through the work of your hands."
I know that after my death you will become utterly corrupt and will turn from the way I have commanded you to follow. In the days to come, disaster will come down on you, for you will do what is evil in the LORD ’s sight, making him very angry with your actions.”