Reference for Kiddushin 152:12
רבי זירא מטפל בהו רבה בר אבוה מטפל בהו במערבא אפילו ריש כורי לא מוקמי מינייהו בנהרדעא אפי' ריש גרגותא לא מוקמי מינייהו
Therefore let R'Bibi, who is a great man, give his attention to Heavenly matters,<span class="x" onmousemove="('comment',' Rashi: the charity collections and distribution, synagogue administration.');"><sup>24</sup></span> and do you, Sir, pay attention to affairs of the town.<span class="x" onmousemove="('comment',' E.g., taxation etc.');"><sup>25</sup></span> Said Abaye: Therefore, when one provides a scholar with residence in his boarding house, let him provide it for one like R'Adda B'Ahabah, who is able<span class="x" onmousemove="('comment',' Lit., 'knows'.');"><sup>26</sup></span> to argue<span class="x" onmousemove="('comment',' Lit., 'turn (things) about.'');"><sup>27</sup></span>