The midrash teaches that the enemies of Israel have to be defeated by Israel (or one of Israel), and not by an outsider – even if that outsider happens to be an ally. That is the deep meaning of ...

Midrash Aggadah 50:9) The Egyptian cavalry certainly outnumbered and outsworded (if I may coin the word) Eisav and his armed legions. A word from Joseph, viceroy of Egypt, and the Egyptian army ...