Study Yoma folio 80B with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
When this question with regard to the measure of liquid was asked, it was not asked about an average-sized person, for whom a mouthful is smaller than 1/4th-log. Rather, the question was asked even about Og, king of Bashan, in which case, it is Beit Shammai who are stringent, for Og’s cheekful is
R' Zeira strongly objects to this halakha with regard to the measure for liability for drinking: What is different with regard to eating, in that all people have the same measure, the volume of a large date; and what is different with regard to drinking, where each and every person is liable accord
R' Zeira strongly objects to this for a different reason: Is everyone of average size satisfied with eating the volume of a large date, and even Og, king of Bashan, is also satisfied with the volume of a large date? If not, there should also be relative measures for eating. Abaye said to him: The
R' Zeira strongly objects to this further: If it is on account of settling one’s mind, the following question can be raised: If one ate fatty meat, his mind would be settled with the volume of a large date, but if he ate edible grapevine shoots, would his mind similarly be settled with the volume
Rava strongly objects to this: For all prohibitions of eating, the measure that determines liability is the volume of an olive-bulk consumed within the time it takes to eat a half-loaf of bread. All forbidden food eaten within that period combines to the measure of an olive-bulk. However, one who