《宋书·志·卷二十三》
往年火星守心宿而文帝崩，吴、蜀无事，造就是魏为正统的证明。
往荧惑守心，而文皇帝崩，吴、蜀无事，此其微也。 
In the past, Mars guarded Xinsu while Emperor Wen collapsed. There was nothing going on in Wu and Shu. In effect this proves that Wei was the orthodox.