《新唐书·列传·卷六十七》
唐穆宗问道： 贞观、开元年间国家治理得最好，是因为什么？ 
穆宗问： 贞观、开元中治道最盛，何致而然？ 
Emperor Tang Muzong asked: Why was the country's governance at its best during the Zhenguan and Kaiyuan periods?
<s>[INST] First, translate the Classical Chinese text into modern Chinese and then into English. Classical Chinese: 穆宗问： 贞观、开元中治道最盛，何致而然？  [/INST] 唐穆宗问道： 贞观、开元年间国家治理得最好，是因为什么？  Then, Emperor Tang Muzong asked: Why was the country's governance at its best during the Zhenguan and Kaiyuan periods?</s>
First, translate the Classical Chinese text into modern Chinese and then into English. Classical Chinese: 穆宗问： 贞观、开元中治道最盛，何致而然？
user
唐穆宗问道： 贞观、开元年间国家治理得最好，是因为什么？  Then, Emperor Tang Muzong asked: Why was the country's governance at its best during the Zhenguan and Kaiyuan periods?
assistant