כ מתיב רב שיזבי האומר למי שאין נאמן על המעשר קח לי ממי שהוא נאמן או ממי שהוא מעשר אינו נאמן אמאי נימא כל מילתא דעבידא לאיגלויי לא משקרי בה אינשי
20 Said Raba: We have also learnt this: A PRIEST'S WORD IS TAKEN IF HE SAYS 'I HAVE SHOWN THIS FIRSTLING AND IT IS BLEMISHED'. Now, what is the reason? Is it not because we say 'people are not presumed to tell a lie which is likely to be found out'!<span class="x" onmousemove="('comment',' I.e., by inquiry from the expert.');"><sup>41</sup></span> - [No].<span class="x" onmousemove="('comment',' One may still say that we cannot deduce from the Mishnah the principle 'people are not presumed to tell a lie' etc., and the reason why he is believed is as follows.');"><sup>42</sup></span> There, where it is a case of consecrated animals without [the Temple precincts], he will not eat<span class="x" onmousemove="('comment',' Unblemished consecrated animals. Consequently, unless the expert had permitted the firstling on the evidence of witnesses, he would not have declared that the firstling was permitted to be slaughtered by him.');"><sup>43</sup></span> but here, since priests are suspected,<span class="x" onmousemove="('comment',' Of causing blemishes to firstlings.');"><sup>44</sup></span> they are suspected.<span class="x" onmousemove="('comment',' Even in this case of causing a blemish and pretending that an Israelite gave an animal to him in a blemished state.');"><sup>45</sup></span>