Related for Bava Metzia 51:14
ואזדא רב נחמן לטעמיה דאמר רב נחמן ראה סלע
What then is the reason? It is because the man who lost it despairs thereof, arguing thus: 'Let us see, no other person but these was with me. Now, I have many times mentioned it in their presence so that they should return it to me, but they did not do so. Will they now return it!<span class="x" onmousemove="('comment',' After a lapse of some time. Surely not! ');"><sup>13</sup></span> Had they intended to return it, they would have returned it to me,<span class="x" onmousemove="('comment',' And not assumed that it was lost by a former tenant. ');"><sup>14</sup></span> hence the reason of their not returning it to me is that they intend stealing it.'<span class="x" onmousemove="('comment',' Thus in these special circumstances the loser may despair of the return thereof. But normally we do not follow the ruling of R. Simeon in the case of the majority of Israelites. ');"><sup>15</sup></span> Now, R. Nahman follows his general reasoning. For R. Nahman said: If a person sees a <i>sela'</i>