《尚书·周书·康王之诰》
于是，文王、武王施行政令、建立诸侯，设置番属以屏卫国家，我们这些后辈子孙方得以安居乐业。
乃命建侯树屏，在我后之人。
Therefore, King Wen and King Wu led the feudal lords with their commands, set up outlying territories to protect their borders, and let the generations of your ancestors live in peace. 