Tosefta untuk Amsal 9:17

Rabbi Yehuda says: Her husband is trusted regarding her (i.e., not to have had relations with his wife on the journey to the Temple to perform the Sotah ceremony (see Sot. 1:3)). [This is learned out] from a kal v'chomer: Just as [the husband of a] menstruant, who is liable for excision if he has relations with her, is believed regarding her, [then with respect to the husband of a] suspected adulteress, who is not liable for excision if he has relations with her, is it not logical that her husband should be believed regarding her? They said to him: All the more so, since he is not liable for excision for having relations with her, should he not be believed regarding her^*i.e., since his punishment is light, he would have less incentive to lie than one faced with excision? Another version: [They said to him,] Not so. If you say that regarding a menstruant, who has permissible factors after the prohibition started^*i.e., there will be a time when her menstrual flow ceases and she is permitted to her husband, would you say the same regarding a suspected adulteress, who has no permissible factors after the prohibition started? And thus it says (Prov. 9:17, JPS tr.), "Stolen waters are sweet[, And bread eaten furtively is tasty]." Rabbi Yosei says, Scripture itself believes him regarding her, as it is said (Num. 5:15), "And the man shall bring his wife to the Kohen."