Reference for Bava Batra 183:3

וליחזי אי גברא דזבין לנכסתא לנכסתא אי לרדיא לרדיא בגברא דזבין להכי ולהכי

<b><i>GEMARA</i></b>. It has been stated:<span class="x" onmousemove="('comment',' B.K. 46a. ');">⁵</span> [If] one has sold an ox to another, and it was found to have been wont to gore.<span class="x" onmousemove="('comment',' Before the sale took place. ');">⁶</span>

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