《南史·列传·卷三十四》
博士到洽说： 周郎二十就能讲经，难道还需要等待策试？ 
博士到洽曰： 周郎弱冠讲经，岂俟策试？ 
The Doctor said to the Magistrate: ”Zhou Lang was able to lecture on the Classics at the age of 20. Is it necessary to wait for the imperial examinations?”