《宋书·志·卷十六》
人帝与天帝，虽是天人的通称，然而五方之帝不可称为上帝，诸侯不可称为大君。
人帝之与天帝，虽天人之通谓，然五方不可言上帝，诸侯不可言大君也。
Human emperors and heavenly emperors, although they are common names for gods, the emperors of the Five Directions cannot be called God, and princes cannot be called great kings.