《新唐书·列传·卷四十一》
王方庆上奏 ：按照《月令》中说 冬季，天子命将帅习武，练习射箭、驾战车，角力较量 。
方庆曰： 按《月令》 孟冬，天子命将帅讲武，习射御，角力。 
Wang Fangqing played up: According to the "Monthly Order", in winter, the emperor ordered the generals to practice martial arts, practice archery, and drive chariots to compete and fight.