Midrash su Levitico 8:13

11) (Vayikra 8:13): "And Moses drew near the sons of Aaron, and he clothed them with kutanoth.": Just as Moses was made an aid to Aaron, so he was made an aid to his sons. Just as he was appointed over the vestments of Aaron, so he was appointed over the vestments of his sons, as it is written (Shemoth 29:2): "and you shall make consecrated garments for Aaron your brother, for honor and for glory," and (Shemoth 29:8): "And his sons shall you draw near and dress them in kutanoth."

(Lev. 22:28:) IN THE CASE OF AN ANIMAL FROM THE HERD OR THE FLOCK, YOU SHALL NOT SLAUGHTER IT AND ITS OFFSPRING ON THE SAME DAY.⁷⁵Although the nouns here are masculine singular and would normally read: IN THE CASE OF A BULL OR A SHEEP, Rashi understands the verse as only prohibiting the slaughter of a female beast and its offspring on the same day. Others like Ibn Ezra understand the prohibition in the verse as referring to both sexes. For a discussion of the two interpretations, see Hul. 78b-80a. This text is related (to Prov. 12:10): A RIGHTEOUS ONE REGARDS THE LIFE OF HIS CATTLE….⁷⁶Tanh., Lev. 8:13; Lev. R. 27:11: PRK 9:11. This refers to the Holy One, who said (in Deut. 22:6 with reference to birds): YOU SHALL NOT TAKE THE MOTHER WITH THE YOUNG.⁷⁷Cf. Tos. Meg. 25a. (Prov. 12:10, cont.:) BUT THE COMPASSION OF THE WICKED IS CRUEL. This refers to Sennacherib, of whom it is written (in Hos. 10:14): THE MOTHER WAS DASHED TO PIECES WITH THE CHILDREN.