《吕氏春秋·纪·孟春纪》
去私天覆盖万物，没有偏私；地承载万物，没有偏私，日月普照万物，没有偏私，春夏秋冬更选交替，役有偏私。
五曰：天无私覆也，地无私载也，日月无私烛也，四时无私行也。
Heaven impartially covers all things, the earth impartially bears all things, the sun and moon impartially shine on all things, and the four seasons impartially rotate, without being partial.