Rabbi Yehuda interpreted the verse regarding Torah scholars: “Curls, black as a raven” – these are Torah scholars, as even though they appear ugly and black in this world, in the future, “their appearance is like torches, they dash like lightning” (Nahum 2:5). Rabbi Shmuel bar Yitzḥak interpreted the verse regarding the portions of the Torah: “Curls, black as a raven” – these are the texts of the Torah that appear too ugly and black to state them in public, and the Holy One blessed be He said: They are pleasant for Me, just as it says: “The offering of Judah [and Jerusalem] will be pleasant” (Malachi 3:4).
Know that it is so, as the portion of the zav and the zava were not stated together; rather, this one in and of itself and that one in and of itself, as it is stated: “Speak to the children of Israel, and say to them: Any man, when he has a discharge from his flesh” (Leviticus 15:2), [and separately,] “And a woman, if her bloody discharge shall flow” (Leviticus 15:25).