《史记·三十世家·绛侯周勃世家》
周勃被封赐列侯的爵位，高祖分剖符信保证周勃的爵位代代相传，永不断绝。
赐爵列侯，剖符世世勿绝。
Zhou Bo was enfeoffed as a marquess. Gaozu divided the talisman to guarantee that his title would be passed down from generation to generation, without interruption.
<s>[INST] Convert the following English text into Classical Chinese: Zhou Bo was enfeoffed as a marquess. Gaozu divided the talisman to guarantee that his title would be passed down from generation to generation, without interruption. [/INST] 赐爵列侯，剖符世世勿绝。</s>
Convert the following English text into Classical Chinese: Zhou Bo was enfeoffed as a marquess. Gaozu divided the talisman to guarantee that his title would be passed down from generation to generation, without interruption.
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赐爵列侯，剖符世世勿绝。
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