“ What are the principal labours? — carryings out! But the carryings out are only two? [5] And should you answer, some of these involve liability, and some do not involve liability [6] — surely it is taught on a par with the appearances of leprosy: just as there all involve liability, [7] so here too all involve liability? — Rather said R. Papa: here that the Sabbath is the main theme, acts of liability and non-liability are taught; there, since the Sabbath is not the main theme, only acts of liability are taught, but not of exemptions. [8] Now, what are the cases of liability-carryings out? ”

“ Because we learnt: If one carries out [an object] from one domain to another, he is liable. Does this not mean even if he carries [it] in from the public to a private domain, and yet it is called 'carrying out.' And what is the reason? ”

“ Carrying out from private into public ground is a principal labour, while the reverse is a derivative thereof (infra 96b) . ↑ Viz., that of the poor man who takes an article from the houseowner's hand, and that of the master of the house who puts an article into the poor man's hand. Where then are the 'two which are four?' ↑ I.e., two carryings out impose liability, as in preceding note, and another two are forbidden yet do not involve liability. Viz., if the poor man stretches his hand within, receives an article, and withdraws it ”