כִּ֚י יְהוָ֣ה אֱלֹֽהֵיכֶ֔ם הַהֹלֵ֖ךְ עִמָּכֶ֑ם לְהִלָּחֵ֥ם לָכֶ֛ם עִם־אֹיְבֵיכֶ֖ם לְהוֹשִׁ֥יעַ אֶתְכֶֽם׃
for the LORD your God is He that goeth with you, to fight for you against your enemies, to save you.’
Read halakhic rulings (Jewish law) on Deuteronomy 20:4: and classical halakhic sources.