《南史·本纪·卷一》
张纲具有巧妙的构思，先前，武帝制造攻城的器具，城上的人说： 你们得不到张纲，怎么能制成呢！ 
纲有巧思，先是，帝修攻具，城上人曰： 汝不得张纲，何能爲也。 
Zhang Gang has a clever mind and before, the martial emperor manufactured a siege weapon, and the people in the city said: You cannot make it without the help of  Zhang Gang!