《旧唐书·列传·卷五十三》
玄宗对他说 ：你今后必然为良将。 
玄宗谓之曰： 尔后必为良将。 
Xuanzong said to him: You will definitely be a good general in the future.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 玄宗谓之曰： 尔后必为良将。  [/INST] Xuanzong said to him: You will definitely be a good general in the future.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 玄宗谓之曰： 尔后必为良将。
user
Xuanzong said to him: You will definitely be a good general in the future.
assistant