《论衡·卷二十八·正说篇》
必须要用隐公元年的事情作为开始，这是以年代完整道理完备为根据，根据中寿三世年数的说法不再适用了。
须隐公元年之事为始，是竟以备足为义，据三世之说不复用矣。
The beginning must be with the events of Duke Yin’s annals. This is based on the logic of the perfect integrity in the period, and is no longer applicable to the theory of the years of three middle ages. 