Chasydyzm do Kapłańska 10:16

And Moses diligently inquired about the goat of the sin offering" (Leviticus 10:16). The matter of the double inquiry, like the allusion mentioned in the Gemara (Sanhedrin 106a) regarding Doeg and Ahitophel, who studied three hundred halachot implied by the tower floating in the air, hinting to the roof of Lamed, for the letter Lamed teaches about the proper mindset and order in all negative commandments, with all the doubts that arise in these matters, and also teaches about the proper mindset in the final movement from swallowing food from the throat to the body, to recognize and understand its relevance. And this is what Aaron replied to him (Zevachim 101a), "If you have heard of the holy matters of the moment, have you not heard of the holy matters of the generations?" And this is what is meant by "Moses diligently inquired." Even though you have inquired about all your needs, nevertheless, you should not be lenient regarding the holy matters of the generations. And this is the juxtaposition of the portions: after their punishment, for they desired to gaze into hidden and future matters. And it is necessary for us to understand that the holy matters of the generations are extremely severe and precious in the eyes of the Holy One, blessed be He. Therefore, it is not appropriate to eat, and after the great sorrow they experienced from the death of Nadab and Abihu, they were granted and given distinctions from forbidden foods.