《资治通鉴·梁纪·梁纪十六》
梁武帝回答说： 尽管如此，如果得到侯景的话，塞北就可以到手了；机会难得，怎么能胶柱鼓瑟而不知变通呢。 
上曰： 虽然，得景则塞北可清；机会难得，岂宜胶柱！ 
Emperor Wu of Liang replied: In spite of this, if we get Hou Jing, the north of the Saibei can be captured; the opportunity is rare, how can we stick to the old ways and not know how to adapt to the changes.