ונתת אל חשן המשפט את האורים ואת התמים והיו על לב אהרן בבאו לפני ה'
In his commentary to the beginning of Sefer Shemos (4:14), Rashi comments concerning Aharon HaKohen’s attitude vis-à-vis Moshe Rabbeinu becoming Klal Yisrael’s leader, V’raacha v’somach b’libo, “And he will see you and be gladdened in his heart” (Hashem said to Moshe). “Unlike what you think, that Aharon is envious of your appointment (achieving a position higher than he did, despite Aharon being the older brother), he will see you and be gladdened in his heart”. Aharon HaKohen’s brotherly love for his younger brother was stronger than any feeling of envy which might otherwise have festered within him. As a result…