Thoughts on Parashat Acharei Mot
After the death of Aaron’s two sons, Nadav and Avihu, God instructs Moses regarding the atoning sacrifices to be offered by the kohanim on Yom Kippur:
God said to Moses: Tell your brother Aaron that he is not to come at will into the Shrine behind the curtain, in front of the cover that is upon the ark, lest he die; for I appear in the cloud over the cover. Thus only shall Aaron enter the Shrine: with a bull of the herd for a sin offering and a ram for a burnt offering.[…]