טז הכהנים והלוים מוכרין לעולם וגואלין לעולם: תנו רבנן גאולת עולם תהיה ללוים מה תלמוד לאמר לפי שנאמר (ויקרא כה, טו) במספר שני תבואות ימכר לך יכול אף זה כן תלמוד לומר (ויקרא כה, לב) גאולת עולם תהיה ללוים
16 And because it is said: 'Then the house that is in the walled city shall be made sure in perpetuity to him',<span class="x" onmousemove="('comment',' Ibid. XXV, 30.');"><sup>20</sup></span> one might have assumed that shall apply also here: therefore it is said: 'The Levites shall have a perpetual right of redemption'. Granted that one could assume that with regard to the first, but how do Levites come to have houses in walled cities? Was it not taught: These cities [of the Levites] may not be either little villages nor large walled cities, but cities of average size?<span class="x" onmousemove="('comment',' V. Mak. 10a.');"><sup>21</sup></span> - R'Kahana said: This is no contradiction: one refers to a city first inhabited and then encompassed.<span class="x" onmousemove="('comment',' The former could not apply to a city of the Levites, but once they settled in them, they could surround the cities by a wall.');"><sup>22</sup></span> But would it in that case be considered a walled city? Was it not taught: 'And if a man sell a dwelling house in a walled city',<span class="x" onmousemove="('comment',' Lev. XXV, 29.');"><sup>23</sup></span>