《魏书·列传·卷二十三》
征战，就是用大刑。照这样说来，三阴之年用兵，大约属于这一类，是完善刑政的意思。
战伐者，用刑之大者也。以此言之，三阴用兵，盖得其类，修刑之义也。
Waging war is the implementation of greater punishment. Accordingly, sending troops at the year of three yin may be related to perfecting criminal punishment.