《太平广记·卷二百一十五·算术》
这个女人现在就在皇帝你的后宫里，从现在算起不满四十年她当得天下，将您的皇子皇孙几乎杀尽了。
其人已生在陛下宫内。从今不满四十年，当有天下。诛杀子孙殆尽。
This woman is now in the imperial harem. Less than 40 years from now, she will gain control of the world and will kill almost all of your imperial sons and grandsons.