《旧唐书·列传·卷一百二十六》
杨嗣复说： 先前，陛下想给郑注加官，李宗闵不肯，陛下该还记得。 
嗣复曰： 比者，陛下欲加郑注官，宗闵不肯，陛下亦当记忆。 
Yang Sifux said: Previously, Your Majesty wanted to give Zheng Zhu an official post, but Li Zongmin refused. Your Majesty should remember.
<s>[INST] Kindly elucidate the central themes in this passage in English: 嗣复曰： 比者，陛下欲加郑注官，宗闵不肯，陛下亦当记忆。  [/INST] Yang Sifux said: Previously, Your Majesty wanted to give Zheng Zhu an official post, but Li Zongmin refused. Your Majesty should remember.</s>
Kindly elucidate the central themes in this passage in English: 嗣复曰： 比者，陛下欲加郑注官，宗闵不肯，陛下亦当记忆。
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Yang Sifux said: Previously, Your Majesty wanted to give Zheng Zhu an official post, but Li Zongmin refused. Your Majesty should remember.
assistant