Study Beitzah folio 19A with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
And if you wish, say instead that the Mishnah is in accordance with the opinion of the Rabbis, and on a Festival one is permitted even to immerse an impure vessel on account of its water in order to purify the vessel. And the entire Mishnah is referring to Shabbat, when it is prohibited to immerse
§ A baraita states: With regard to a vessel that became ritually impure on the eve of a Festival, one may not immerse it during twilight, a time period of doubtful status whether it is a weekday or a Festival, due to the possibility of violating the prohibition against immersing vessels on a Festiv
R' Shimon Shezuri says: Even on a weekday one may not immerse an impure vessel during twilight because the vessel requires sunset. After an impure vessel is immersed, it remains ritually impure for certain purposes until the sun has set and the stars have come out. If one immerses an impure vessel
The Talmud asks: And does the first tanna not require sunset? It is clear that this is required. Rava said: I found the rabbis of the school of Rav sitting and saying with regard to this issue that they disagree about whether or not to accept the principle that one’s intention is evident from his a
This Sage, i.e., the Rabbis, holds that the fact that he is running along indicates that he knows that the vessel requires sunset. If he arrives at the mikveh late, he will realize that he must wait another day, and there is no concern that he might come to use the vessel on the same day. Conseque