Reference for Bava Kamma 191:3
אמר ליה הכא במאי עסקינן כגון דשויה ניהליה אפותיקי דאמר ליה לא יהא לך פרעון אלא מזה:
— He replied: We are dealing here with a case where the debtor expressly made that field a security, as where he said to him: 'You shall not be paid from anything but from the field.'<span class="x" onmousemove="('comment',' In which case the purchaser can in no circumstance bar the creditor from the field. ');"><sup>5</sup></span> Raba stated: [There is no question] that where the robber improved [the misappropriated article] and then sold it, or where the robber improved [the misappropriated article] and then left it to his heirs, he has genuinely sold or left to his heirs the increment he has created.<span class="x" onmousemove="('comment',' So that the purchaser (or heir) will be entitled to the half or third or quarter in profits to which the robber would have been entitled, according to the view of R. Simeon. ');"><sup>6</sup></span>