《吕氏春秋·纪·孟春纪》
儿子是人们所偏爱的，墨家大师腹䵍忍心杀掉自己心爱的儿子去遵行天下大理，可算得上公正无私了。
子，人之所私也。忍所私以行大义，钜子可谓公矣。
A son is what people love. Hubi, a master of Mohism, was willing to kill his own son to follow the universal rules of justice. He can be regarded as impartial.