the mother would rejoice upon the birth of a boy, she would regret her oath to shun her husband after just 7 days, but since people around her would not rejoice on the birth of a girl, she would take twice as long. And Rabbi Simeon ben Yohai taught that ordained circumcision on the eighth day so that the parents could join their guests in a celebratory mood on that day. ; ; ; and provided that people of lesser means could bring less-expensive offerings. The Mishnah taught that one who sacrificed much and one who sacrificed little attained equal merit, so long as they directed their hearts to Heaven. Rabbi Zera taught that provided a Scriptural proof for this when it says, "Sweet is the sleep of a serving man, whether he eat little or much." Rav Adda bar Ahavah taught that provided a Scriptural proof for this when it says, "When goods increase, they are increased who eat them; and what advantage is there to the owner thereof." Rabbi Simeon ben Azzai taught that Scripture says of a large ox, "An offering made by fire of a sweet savor"; of a small bird, "An offering made by fire of a sweet savor"; and of a meal-offering, "An offering made by fire of a sweet savor." Rabbi Simeon ben Azzai thus taught that Scripture uses the same expression each time to teach that it is the same whether people offered much or little, so long as they directed their hearts to Heaven. And Rabbi Isaac asked why the meal-offering was distinguished in that uses the word "soul" (, nefesh) to refer to the donor of a meal-offering, instead of the usual "man" (, adam, in , or , ish, in ) used in connection with other sacrifices. Rabbi Isaac taught that uses the word "soul" (, nefesh) because God noted that the one who usually brought a meal-offering was a poor man, and God accounted it as if the poor man had offered his own soul. Rabbi Simeon noted that Scripture always lists turtledoves before pigeons, and imagined that one might thus think that Scripture prefers turtledoves over pigeons. But Rabbi Simeon quoted the instructions of , "a young pigeon or a turtledove for a sin-offering", to teach that Scripture accepted both equally. Rabbi Eleazar ben Hisma taught that even the apparently arcane laws of bird offerings in and