《宋书·列传·卷六十四》
皇上很高兴，说： 这是不朽之作啊。 
上善之，曰： 此为不朽矣！ 
The emperor was very happy and said: "This is an immortal masterpiece."
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 上善之，曰： 此为不朽矣！  [/INST] The emperor was very happy and said: "This is an immortal masterpiece."</s>
Identify the key themes in this Classical Chinese text and explain them in English: 上善之，曰： 此为不朽矣！
user
The emperor was very happy and said: "This is an immortal masterpiece."
assistant