Reference for Bava Batra 190:14

אמר רב זביד מודה רב יהודה בפורצמא דמיזדבן אקרנתא

And R. Hisda said: Of what use<span class="x" onmousemove="('comment',' Lit., 'why to me. ');">²⁵</span> is wine that is turning sour?<span class="x" onmousemove="('comment',' Since the wine is spoilt, one must not say over it the benediction enacted for good wine, but that of 'Blessed&nbsp;… by whose word everything was made'. ');">²⁶</span>

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