《金史·列传·卷四十六》
五年三月，皇帝派近臣对胥鼎和左丞贾益谦说 ：从去年冬天到现在，雨雪特别少，民心不安，军用可能有所欠缺，为害严重。
五年三月，上遣近侍谕鼎及左丞贾益谦曰： 自去冬至今，雨雪殊少，民心不安，军用或阙，为害甚重。
In March of the fifth year, the emperor sent a close minister to Xu Ding and Zuo Cheng Jia Yixian to say: "From last winter to now, there has been very little rain or snow, and people's hearts are uneasy. Military expenses may be insufficient, which is very harmful." 