כִּ֛י אִֽם־אֶת־יְהוָ֥ה אֱלֹהֵיכֶ֖ם תִּירָ֑אוּ וְהוּא֙ יַצִּ֣יל אֶתְכֶ֔ם מִיַּ֖ד כָּל־אֹיְבֵיכֶֽם׃
but the LORD your God shall ye fear; and He will deliver you out of the hand of all your enemies.’
Read halakhic rulings (Jewish law) on II Kings 17:39: and classical halakhic sources.