《战国策·楚四·虞卿谓春申君》
太公望封在齐地，邵公爽封在燕地，之所以能够寿终正寝，是因为他们的封地远离王室的缘故。
太公望封于齐，邵公奭封于燕，为其远王室矣。
Taigong Wang was enfeoffed in Qi, and Shaogong Shuang was enfeoffed in Yan, and they were able to die a natural death because their fiefs were far away from the royal family.