Shabbat

How compare! There it [the sheath] had become as a stand to that which is permitted,  whereas here it [the skin] had become a stand to a thing that is forbidden!  Rather they say thus to him, If we may save the sheath of a Scroll together with the Scroll, though it also contains money,  shall we not handle the skin on account of the flesh? How compare! There it [the sheath] became a stand for something that is forbidden (the money] and something that is permitted [the Scroll]; whereas here the whole has become a stand for that which is forbidden? — Rather they say thus to him: If a sheath containing money may be brought from elsewhere to save a Scroll of the Law with it, shall we not handle the skin in virtue of the flesh? And how do we know that itself? Shall we say, since one need not throw them [the coins] out when it contains them,  he may bring it [the sheath] too? How compare! There, in the meanwhile the fire may alight [upon the Scroll];  but here, let them be thrown out in the meantime?  Rather said Mar son of R. Ashi: In truth it is as we originally explained it; and as to your objection, There it is (mere] handling, whereas here it is work, — [that is answered] e.g., that he does not require the skin.  But Abaye and Raba both say: R. Simeon agrees in a case of 'cut off its head but let it not die?'  — He removes it [the skin] in strips. AND WHITHER MAY WE RESCUE THEM, etc. What is an open [alley] and what is a closed [one]? — R. Hisda said: [[fit contains] three walls and two stakes,  it is a closed alley; three walls and one stake, it is an open alley. And both of them  are based on R. Eliezer['s opinion]. For we learnt: To make an alley eligible,  Beth Shammai maintain: [It requires] a stake and a beam;  Beth Hillel say: Either a stake or a beam; R. Eliezer said: Two stakes.  Said Rabbah to him, If there are three walls and one stake, do you call it open!  Moreover, according to the Rabbis, let us save thither even foodstuffs and liquids?  Rather said Rabbah, [it is to be explained thus]: [If it contains] two walls and two stakes,  it is a closed alley; two walls and one stake, it is an open alley, and both  are based on [the view of] R. Judah. For it was taught: Even more than this did R. Judah say: If one owns two houses on the opposite sides of the street, lie can place a stake or a beam at each side and carry between them. Said they to him: A street cannot be made fit for carrying by an 'erub in this way.  Said Abaye to him, But according to you too, on [the view of] the Rabbis let us save thither even foodstuffs and liquids?