《宋书·列传·卷一百》
他的同姓本家光禄大夫沈演之评判他说： 这是本族中的千里马。 
宗人光禄大夫演之称之曰： 此宗中千里驹也。 
Shen Yanzhi, the Grand Secretary from the same clan and family, commented about him by saying: "This is a dark horse from our clan."
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 宗人光禄大夫演之称之曰： 此宗中千里驹也。  [/INST] Shen Yanzhi, the Grand Secretary from the same clan and family, commented about him by saying: "This is a dark horse from our clan."</s>
Identify the key themes in this Classical Chinese text and explain them in English: 宗人光禄大夫演之称之曰： 此宗中千里驹也。
user
Shen Yanzhi, the Grand Secretary from the same clan and family, commented about him by saying: "This is a dark horse from our clan."
assistant