Study Shevuot folio 27A with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
Mishnah: If one takes an oath to refrain from performing a mitzva and he does not refrain, he is exempt from bringing an offering for an oath on an utterance. If he takes an oath to perform a mitzva and he does not perform it, he is also exempt, though it would have been fitting to claim that he i
The Mishnah explains: R' Yehuda ben Beteira said: What? If, with regard to an oath concerning an optional matter, for which one is not under oath from Mount Sinai, he is liable for breaking it, then with regard to an oath about a mitzva, for which he is under oath from Mount Sinai, is it not logic
The Rabbis said to him: No, if you said that one is liable for breaking an oath concerning an optional action, where the Torah rendered one liable for a negative oath not to perform it like for a positive oath to perform it, shall you also say one is liable with regard to breaking an oath concerning
Talmud: A baraita states: One might have thought that when one takes an oath to refrain from performing a mitzva and he does not refrain, he would be liable to bring an offering for an oath on an utterance. To counter this, the verse states: “To do evil, or to do good” (Leviticus 5:4). Just as doin
The baraita continues: One might have thought that when one takes an oath to perform a mitzva and does not perform it, that he would be liable. To counter this, the verse states: “To do evil, or to do good.” Just as doing evil is referring to an oath about an optional action, so too, doing good is