“ A bachelor should not pasture animals, and two bachelors should not sleep in one cloth. The sages permit [these things] . Anyone who deals with women, should not be secluded with women. A person should not teach his son a profession that [involves being] among women. ”

“ Jew who married a female convert — his daughter is fit to [marry into] the priesthood; and a male convert who married the daughter of an [ordinary] Jew — his daughter is fit to [marry into] the priesthood. But a male convert who married a female convert — his daughter is unfit to [marry into] the priesthood. It is the same for converts and for freed servants, even until ten generations, until their mother is a Jew. Rabbi Yosi says: Even a male convert who married a female convert — his daughter is fit to [marry into] the priesthood. ”

“ Abba Guryan of Tzaidan says in the name of Abba Gurya: and a person should not teach his son to be a donkey-driver, a camel-driver, a barber, a sailor, a storekeeper, or a shepherd, for their profession is a thieves' profession. ”

“ Even a man may be secluded with two women. And when his wife is with him, he may sleep with them in an inn, because his wife is with him. A person may be secluded with his mother or with his daughter, and may sleep with them in bodily contact. When they grow up, this one should sleep in his cover, and this one should sleep in his cover. Mishnah 12
A bachelor should not practice pedagogy, and a woman should not practice pedagogy. Rabbi Elazar says: Even one who does not have a wife with him should not practice pedagogy. ”