רַב כָּהֲנָא יְהַבוּ לֵיהּ זוּזֵי אַכִּיתָּנָא, לְסוֹף אִיַּיקַּר כִּיתָּנָא. אֲתָא לְקַמֵּיהּ דְּרַב. אֲמַר לֵיהּ: בְּמַאי דִּנְקִיטַתְּ זוּזֵי – הַב לְהוּ, וְאִידַּךְ – דְּבָרִים נִינְהוּ, וּדְבָרִים אֵין בָּהֶן מִשּׁוּם מְחוּסְּרֵי אֲמָנָה.
§ The Gemara relates: Buyers gave money to Rav Kahana to purchase linen. Ultimately, the price of linen increased. Rav Kahana came before Rav to ask his opinion. Rav said to him: Give them a quantity of linen equivalent in value to the money that you received, and concerning the rest, your verbal commitment is merely a statement, and reneging on a verbal commitment that was unaccompanied by an act of acquisition does not constitute an act of bad faith.
דְּאִיתְּמַר: דְּבָרִים, רַב אָמַר: אֵין בָּהֶן מִשּׁוּם מְחוּסְּרֵי אֲמָנָה, וְרַבִּי יוֹחָנָן אָמַר: יֵשׁ בָּהֶם מִשּׁוּם מְחוּסְּרֵי אֲמָנָה.
The Gemara comments: This is as it was stated: There is an amoraic dispute with regard to reneging on a verbal commitment that was unaccompanied by an act of acquisition. Rav says: It does not constitute an act of bad faith. And Rabbi Yoḥanan says: It constitutes an act of bad faith.


