Reference for Bava Batra 165:4

אפילו הכי מעשה עדיף

— A practical decision<span class="x" onmousemove="('comment',' Cf. Shab. 21a, and further references there. ');">⁷</span> is, nevertheless, preferable.<span class="x" onmousemove="('comment',' The Mishnah describing the occurrence in Zalmon, where the action of the planter received the definite approval of the Sages, is more to be relied upon than the other part of that Mishnah, which is a record of theoretical opinion only. ');">⁸</span>

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