Nedarim 64: Guilt Trips
Chapter 9. With a new mishnah, introducing the process of removing, annulling, dissolving a vow. The question arises as to how one demonstrates regret, or what makes a person regret a vow. For example, feeling bad before one's parents, before God. Plus, other future developments that lead to regretting the past vow - so many vows would never be made if the future were known as to the impact. Note R. Eliezer's apparently more lenient view with regard to vows here. Also, the need to go to get a vow annulled with a story to the sage... Which, again, raises the concern of messing with all vows…
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