Reference for Shabbat 148:10
הקורע על מנת לתפור: קריעה במשכן מי הוה רבה ורבי זירא דאמרי תרווייהו
TYING AND UNTYING. Where was there tying in the Tabernacle?<span class="x" onmousemove="('comment',' V. p. 224, n. 4. ');"><sup>17</sup></span> — Said Raba: The tent-pegs were tied. But that was tying with the intention of [subsequent] untying?<span class="x" onmousemove="('comment',' When they struck camp. Such is not Biblically forbidden and is not the tying referred to in the Mishnah. ');"><sup>18</sup></span> But said Abaye: The weavers of the curtains, when a thread broke, tied it up. Said Raba to him: You have explained tying; but what can be said about untying? And should you answer that when two knots [in the material] chanced to come together, one untied one and left the other knotted:<span class="x" onmousemove="('comment',' The two knots together would spoil the evenness of the fabric. ');"><sup>19</sup></span> [it may be asked], seeing that one would not do thus before a king of flesh and blood, how much more so before the Supreme King of kings, the Holy One, blessed be He?<span class="x" onmousemove="('comment',' The untying of a knot in the fabric would leave an ugly gap, particularly as the threads were six-stranded. Hence the utmost care would be taken to prevent the thread from knotting in the first place. ');"><sup>20</sup></span> Rather said Raba — others state, R. Elai: Those who caught the hillazon<span class="x" onmousemove="('comment',' A kind of snail or purple-fish whose blood was used for dyeing the tents of the Tabernacle. ');"><sup>21</sup></span> tied and untied.<span class="x" onmousemove="('comment',' The nets. ');"><sup>22</sup></span> SEWING TWO STITCHES. But it cannot endure?<span class="x" onmousemove="('comment',' Two stitches alone will slip out of the cloth. Thus the work is not permanent and entails no punishment. ');"><sup>23</sup></span> — Said Rabbah b. Bar Hanah in R. Johanan's name: Providing that he knots them.<span class="x" onmousemove="('comment',' After sewing, so that they will remain. ');"><sup>24</sup></span> TEARING IN ORDER TO SEW TWO STITCHES. Was there any tearing in the Tabernacle? — Rabbah and R. Zera both say: