《资治通鉴·唐纪·唐纪二十二》
从典籍记载看，声威教化所至，三代不能到的地方，国家都已经全部兼并了。
自典籍所纪，声教所及，三代不能至者，国家尽兼之矣。
According to the historical record, as far as our influence and teachings can reach, places the Three Dynasties could not reach have now all been annexed by the nation.