Reference for Niddah 30:18

דאמר רב חנינא חוזאה

for R. Hanina of Hozae said: It is presumed with a haber that he does not allow anything to pass out of his control unless it has been duly prepared. And if you prefer I might say: It is a case of doubt against doubt, since [the man might have acted] in accordance with a suggestion of R. Oshaia, for R. Oshaia said: A man<span class="x" onmousemove="('comment',' Desirous of avoiding tithes. ');">¹⁷</span>

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