论书自晋始,盖因其风俗之清而流之于妍。降而六代,又以其羽尚之笃而溺之于专。维唐设科,身判书言。作成自初,欧褚争先,薛靓张颠,颜真迎便。中世而后,虽经生楷隶,犹得以扬镳而鸣鞭。五季日卑,吾宋兴焉。士以德进,舍艺之偏。既窒其进取之涂,故世之以书名家者,皆不杂以