Reference for Shabbat 297:14
מפיס אדם עם בניו וכו': עם בניו ועם בני ביתו אין ועם אחר לא מאי טעמא כדרב יהודה אמר שמואל דאמר רב יהודה אמר שמואל בני חבורה המקפידין זה על זה עוברין משום מדה ומשום משקל ומשום מנין ומשום לווין ופורעין ביו"ט
How is that taught? — Said R. Hanin: [Its interpretation is,] Turn not unto that conceived in your own minds.<span class="x" onmousemove="('comment',' Tosaf.: the interdict is only against images (or perhaps statues — Jast.) made for idolatrous purposes, but others are permitted. ');"><sup>13</sup></span> A MAN MAY CAST LOTS WITH HIS SONS, etc. Only with his sons and household, but not with strangers:<span class="x" onmousemove="('comment',' For otherwise the Tanna would simply teach, A MAN MAY CAST LOTS. ');"><sup>14</sup></span> what is the reason? As Rab Judah said in Samuel's name. For Rab Judah said in Samuel's name: The members of a company who are particular with each other<span class="x" onmousemove="('comment',' I.e., members of a company at one table, each of whom has his own provisions, and when one borrows from another, are particular to weigh, measure, or count, that the exact quantity may be returned. ');"><sup>15</sup></span> transgress [the prohibitions of] measure, weight, number, borrowing and repaying on the Festival,<span class="x" onmousemove="('comment',' On Festivals one may borrow from his neighbour. but not by weight, measure or number. Likewise, he may not use the terms 'lend' and 'repay'. for these belong to monetary transactions. When members of a company are particular with each other, they are likely to be led into a transgression of these prohibitions. ');"><sup>16</sup></span>