《资治通鉴·晋纪·晋纪二》
如果总是迁州，贼人出没无常，也不知把州设在哪里才便于据守。 
若辄徙州，贼出无常，亦未知州之所宜据也。 
If the state is constantly being relocated, the enemies will be present but not constant, and it is also unknown where the state should be situated so as to be advantageous to remaining.