《左传·襄公·襄公二十四年》
像这样保存姓、接受氏，用业守住宗庙，世世代代不断绝祭祀。没有一个国家没有这种情况。
若夫保姓受氏，以守宗祊，世不绝祀，无国无之。
Preserve your family name and accept your clan in this way, guard your ancestral temple with your career, and never stop sacrificing from generation to generation. There is no country without this situation.
<s>[INST] Kindly elucidate the central themes in this passage in English: 若夫保姓受氏，以守宗祊，世不绝祀，无国无之。 [/INST] Preserve your family name and accept your clan in this way, guard your ancestral temple with your career, and never stop sacrificing from generation to generation. There is no country without this situation.</s>
Kindly elucidate the central themes in this passage in English: 若夫保姓受氏，以守宗祊，世不绝祀，无国无之。
user
Preserve your family name and accept your clan in this way, guard your ancestral temple with your career, and never stop sacrificing from generation to generation. There is no country without this situation.
assistant