《南史·列传·卷八十》
当初，郭元建因为对皇太子妃守礼节，就想投降，侯子鉴说他： 这不过是小惠，难以自保。 
初，郭元建以有礼于皇太子妃，将降，侯子鉴曰： 此小惠也，不足自全。 
At first, Guo Yuanjian wanted to surrender because he was courteous to the crown prince's princess, but Hou Z鉴 said to him: This is only a small favor, and it is difficult to protect oneself. 