אחרי מות שני בני אהרון... והיתה זאת לכם לחקת עולם לכפר על בני ישראל
The Yalkut Shemoni (Shmuel 2:155) teaches: “On the first of Nissan, the sons of Aharon (HaKohen) just died. Why does the Torah record their passing juxtaposed upon the laws of the Yom Kippur service? This teaches that just as Yom Kippur serves as an atonement, so, too, do the deaths of the righteous (expiate the sinful acts of Klal Yisrael). Why is the death of Miriam HaNeviyah juxtaposed upon the laws of Parah Adumah? This teaches that just as the ashes of Parah Adumah purify one from ritual contamination, so, too, does missas tzaddikim, the death of tzaddikim, atone.” What…