Deuteronomy 11:23
Then will the Lord drive out all these nations from before you, and ye shall possess greater nations and mightier than yourselves.
Cross-references
Deuteronomy 4:38 uses the identical phrase 'nations greater and mightier' about God driving out enemies to give the land — reinforcing the promise.
Deuteronomy 7:1 repeats the same promise: God will clear away seven nations greater and mightier than you before you enter the land.
Deuteronomy 7:23 describes God throwing them into confusion until destroyed, detailing the method of the driving out.
Deuteronomy 9:1 echoes the same promise of dispossessing greater nations as Israel crosses the Jordan.
Deuteronomy 9:5 gives the reason: God drives them out due to their wickedness and to confirm the oath to the fathers.
Deuteronomy 7:22 explains that God will drive them out little by little, not all at once, to avoid wild beasts multiplying.
Exodus 23:27-30 is the earlier promise of sending terror and driving out nations little by little, paralleled here.
Joshua 11:23 records the fulfillment: Joshua took the whole land and gave it as inheritance, just as the Lord promised here.
Joshua 12:7 lists the defeated kings on the west side, showing the fulfillment of God driving out those nations.
In Joshua 23:5, Joshua repeats the same promise that God will drive out nations, confirming the assurance from Deuteronomy 11:23.
In Joshua 23:9, the promise of driving out great nations is declared fulfilled — God has done exactly as Deuteronomy 11:23 said.
Exodus 34:11 lists the specific nations God will drive out (Amorites, Canaanites, etc.), matching the promise.
In Joshua 13:2, the land still unconquered is listed — a partial fulfillment of the promise to drive out nations in Deuteronomy 11:23.