Reference for Bava Batra 39:14
כיון דקשיא לכותל שקלא דיתבא אחספא חספא גופא תיחוץ
Then he will give it to a child? — It will scratch. A kallanitha does not scratch? — We mean, as scraggy as a kallanitha. 'A non-Jew<span class="x" onmousemove="('comment',' A non-Jew is not subject to uncleanness. ');"><sup>14</sup></span> sitting in the window' — will he not get up and go? — We suppose him to be tied there. Then some one will come and untie him? — We suppose him to be leprous. Another leper will come and loosen him? — We suppose he is a prisoner of the Government. Or 'a child born in the eighth month<span class="x" onmousemove="('comment',' A child born at eight months is not considered viable and thus is not subject to uncleanness. ');"><sup>15</sup></span> placed in the window.' Will not its mother come and lift it up? — We assume it is on the Sabbath, [when she may not lift him], as it was taught: A child born at eight months is on a par with a stone and may not be carried on Sabbath, but his mother may bend over him and give him suck for the sake of her health.<span class="x" onmousemove="('comment',' Lit. 'danger', arising from an undue pressure of milk in her breasts. ');"><sup>16</sup></span> 'Salt' is useful? — We speak of bitter salt. This is useful for preparing skins [for tanning]? — We suppose there are thorns in it. But since it is injurious to the wall it will be taken away? — We suppose it to be resting on a piece of earthenware. But this itself will form a partition? —