《史记·七十列传·太史公自序》
这些人都是心中聚集郁闷忧愁，理想主张不得实现，因而追述往事，考虑未来。 
此人皆意有所郁结，不得通其道也，故述往事，思来者。 
These people are all sad and frustrated in their hearts, and their ideals and ambitions cannot be realized, so they look back on the past and think about the future.