《论衡·卷十四·谴告篇》
谷子云能看出变异的苗头，知道它以后还会出现，就借变复和说法，来证明自己的话，故意表示愿意戴上刑具来等待变异的出现。
子云识微，知後复然，借变复之说，以效其言，故愿贯械以待时也。
Gu Ziyun can see the sign of the omen, knowing that it will appear in the future, so he uses the statement of bianfu to prove his own words and deliberately expressed his willingness to wear shackles to wait for the change.