Deuteronomy 31:4
The LORD will do to them as he did to Sihon and to Og, the kings of the Amorites, and to their land, when he destroyed them.
World English Bible (Public Domain)
In context
Before · Deuteronomy 31:2–3
2He said to them, “I am one hundred twenty years old today. I can no more go out and come in. The LORD has said to me, ‘You shall not go over this Jordan.’ 3The LORD your God himself will go over before you. He will destroy these nations from before you, and you shall dispossess them. Joshua will go over before you, as the LORD has spoken.
4The LORD will do to them as he did to Sihon and to Og, the kings of the Amorites, and to their land, when he destroyed them.
After · Deuteronomy 31:5–6
5The LORD will deliver them up before you, and you shall do to them according to all the commandment which I have commanded you. 6Be strong and courageous. Don’t be afraid or scared of them, for the LORD your God himself is who goes with you. He will not fail you nor forsake you.”