R’ Shimon says: Everywhere, lambs are mentioned before goats. I would think [that this is] because they are preferable to them. [Therefore,] Scripture states (Lev. 4:32): And if he bring a lamb for a chatas. This teaches [us] that both are equal. Everywhere, turtledoves are mentioned before young pigeons. I would think [that this is] because they are preferable to them. [Therefore,] Scripture states (Lev. 12:6): And a young pigeon or a turtledove for a chatas. This teaches [us] that both are equal. Everywhere, the father is mentioned before the mother. I would think that the father’s honor exceeds the mother’s honor. [Therefore,] Scripture states (Lev. 19:3): Every man shall fear his mother and his father. This teaches [us] that both are equal. But the Sages said: Everywhere, the father takes precedence to the mother, because [both] he and his mother are obligated to honor his father. And so it is with the study of Torah: If the son gained much [while sitting] before the teacher, he precedes the father in all matters, because [both] he and his father are obligated to honor his teacher.