Reference for Eruvin 54:11
אי לא כתב רחמנא בקר לא הוה אמינא צאן על גב עורה אין על גב גיזתה לא דאם כן לכתוב רחמנא בקר דממילא אייתר ליה צאן
[to teach us that] a sheep may be bought together with its wool it might have been assumed [that this only is permitted] because [the wool] clings to its body but not [the purchase of] wine together with its cask. And had the All Merciful written 'for wine' it might have been assumed [that the purchase of its jar only is permitted] because It is in this way only that it can be preserved but not tamad after its fermentation, which is a mere [liquid] acid. And<span class="x" onmousemove="('comment',' So MS. M. Cur. edd. insert, 'the All Merciful wrote strong drink'.');"><sup>27</sup></span> if the All Merciful had written 'for strong drink,<span class="x" onmousemove="('comment',' In Deut. XIV, 26.');"><sup>26</sup></span>