וְהוֹרִ֧ישׁ יְהוָ֛ה אֶת־כָּל־הַגּוֹיִ֥ם הָאֵ֖לֶּה מִלִּפְנֵיכֶ֑ם וִֽירִשְׁתֶּ֣ם גּוֹיִ֔ם גְּדֹלִ֥ים וַעֲצֻמִ֖ים מִכֶּֽם׃
then will the LORD drive out all these nations from before you, and ye shall dispossess nations greater and mightier than yourselves.
Read halakhic rulings (Jewish law) on Deuteronomy 11:23: and classical halakhic sources.