《汉书·传·叙传上》
乐氏三代本是一脉相承，虽世代变化却不差半点报应。
三栾同于一体兮，虽移盈然不忒。
The three generations of the Yue family were originally in the same line of descent, although there were changes from generation to generation, but the retribution did not differ by half a point.