《韩非子·难二》
周公旦代行天子之事七年，成王长大后，他便把政权交给成王，周公旦不是为自己得天下着想，而为了尽他的职责。
周公旦假为天子七年，成王壮，授之以政，非为天下计也，为其职也。
The Duke of Zhou acted as emperor for seven years, after King Cheng grew up, he handed the power to him, the Duke of Zhou did not think of usurping the world for himself, but fulfilling his duty.