Reference for Bava Kamma 210:10
א"ל תדורא כי תניא ההיא דקאמר ליה הילך כי קאמינא דקיימא באגם
whereas the statement I made refers to a case where the animal was at that time kept on the meadow.<span class="x" onmousemove="('comment',' And there is therefore a potential denial of money. ');"><sup>13</sup></span> But what admission in the substance of the claim could there be in the defence 'You have sold it to me?' — It might have application where the defendant said to him, 'As I have not yet paid you its value, take your ox back and go.' But still what admission in the substance of the claim is there in the defence, 'You gave it to me as a gift or your father gave it to me as a gift'? — It might be [admission] where the defendant said to him, '[As the gift was made] on the condition that I should do you some favour and since I did not do anything for you, you are entitled to take your ox back and go.' But again, where the defence was, 'I found it straying on the road,' why should the plaintiff not plead, 'You surely have had to return it to me'? — But the father of Samuel<span class="x" onmousemove="('comment',' I.e., Abba b. Abba. ');"><sup>14</sup></span>