Reference for Bava Batra 212:5
אי מה להלן בקלפי ואורים ותומים אף כאן בקלפי ואורים ותומים אמר רב אשי בההוא הנאה דקא צייתי להדדי גמרי ומקנו להדדי:
[should not the division] here also [be made] through<span class="x" onmousemove="('comment',' How, then, are the shares acquired here, in the absence of the Urim and Tummim, by mere lot? ');"><sup>12</sup></span> the ballot box and the Urim and Tummim? — R. Ashi replied: [The lot alone suffices here] because [in return for] the benefit of mutual agreement<span class="x" onmousemove="('comment',' Lit., 'because they listen to one another,' viz., to dissolve a partnership (Rashb.) [or to divide by lot (R. Gershom)]. ');"><sup>13</sup></span> they determine to allow each other to acquire possession [by the lot<span class="x" onmousemove="('comment',' They are all so anxious to dissolve their partnership at the earliest possible moment, that they readily agree that through the lot alone every one of them shall acquire possession of his share. ');"><sup>14</sup></span>