Reference for Bava Metzia 145:8

אמר רב שימי בר חייא ומודי רב בתורי דנפיש פסידייהו

Rab forbade it; Samuel permitted it. Rab forbade it: Since it is worth more later on, it looks like payment for waiting.<span class="x" onmousemove="('comment',' V. supra 63b. ');">¹⁴</span> Samuel permitted it: Since there may be cause for regret,<span class="x" onmousemove="('comment',' If the orchard is smitten with hail, or the plants with disease, the risks of which are borne by the purchaser. [Others: 'a mishap may befall it.] ');">¹⁵</span>

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