Reference for Gittin 103:14
הנהו בי תרי דאיגרי בהו שטן דכל בי שמשי הוו קא מינצו בהדי הדדי איקלע רבי מאיר להתם עכבינהו תלתא בי שמשי עד דעבד להו שלמא שמעיה דקאמר ווי דאפקיה ר' מאיר לההוא גברא מביתיה:
They cannot, however, undertake on their behalf to give charity or to redeem captives or to do anything involving an unspecified outlay (which includes comforting mourners). Guardians are not allowed to enter into lawsuits concerning the property of orphans, or to entail obligations on it or to secure benefit for it.' Why can they not secure benefit? — It means, to entail obligations for the purpose of procuring benefits for the property of orphans.<span class="x" onmousemove="('comment',' Because perhaps their plans will go wrong and they will cause loss to the orphans. ');"><sup>14</sup></span>