《晋书·志·第十九章》
造年夏天，贾后指使楚王司马璋杀了这汝南王亮和太保卫瓘，这是阴道盛、阳道衰的缘故。
此夏，贾后使楚王玮杀汝南王亮及太保卫瓘，此阴道盛、阳道微故也。
In the summer that year, Empress Jia ordered King Sima Zhang of Chu to kill King Liang of Runan and Grand Tutor Wei Guan. This was the result of the strong Yin and weak Yang.