《金史·本纪·卷二》
没到鸭子河，天就黑了，太祖刚要躺下睡觉，好像有三个人抚着他的头，太祖忽然领悟到了什么赶忙起来，说： 神明在警告我啊！ 
未至鸭子河，既夜，太祖方就枕，若有扶其首者三，寤而起，曰： 神明警我也！ 
Before reaching Yazi River, it was already dark. Taizu was about to lie down to sleep, when it felt like three people were stroking his head. Taizu suddenly understood and hurriedly got up, and said: God is warning me!