《周书·列传·卷三十六》
孝武帝西迁，郑伟回到家乡，不追求官位。
及孝武西迁，伟亦归乡里，不求仕进。
Emperor Xiao Wu moved westward, and Zheng Wei returned to his hometown, not pursuing official positions.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 及孝武西迁，伟亦归乡里，不求仕进。 [/INST] Emperor Xiao Wu moved westward, and Zheng Wei returned to his hometown, not pursuing official positions.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 及孝武西迁，伟亦归乡里，不求仕进。
user
Emperor Xiao Wu moved westward, and Zheng Wei returned to his hometown, not pursuing official positions.
assistant