《太平广记·卷一百四十七·定数二》
张嘉贞还没有当官，正贫困的时候，曾经在城东的大道上看见一个老人给人算卦，嘉贞就请他给算命。
张嘉贞未遇，方贫困时，曾于城东路，见一老人卖卜。嘉贞访焉。
Before taking office, when Zhang Jiazhen was still penniless, he once saw an old man fortune-telling on a street in the east of the city. Jiazhen asked the man to tell his fortune.