Reference for Pesachim 62:8

<big><strong>גמ׳</strong></big> אמר רב חסדא וצריך שיבטל בלבו תנא כמה חפישת הכלב שלשה טפחים

R'SIMEON B. GAMALIEL SAID: PROVIDED THAT<span class="x" onmousemove="('comment',' Lit., 'whatever'.');">¹³</span> A DOG CANNOT SEARCH IT OUT. <big><b>GEMARA: </b></big>R'Hisda said: Yet he must annul it in his heart.<span class="x" onmousemove="('comment',' Lest the debris be removed during the festival.');">¹⁴</span>

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