《新唐书·列传·卷四十九》
武后曾对侍臣说： 从前周兴、来俊臣等多次奉诏承办狱案，朝臣互相牵连，都承认反朝廷。
后尝语左右： 往周兴、来俊臣等数治诏狱，朝臣相逮引，一切承反。
Empress Wu once said to her ministers, "In the past, Zhou Xing, Lai Junchen, and others often received orders to handle cases, and courtiers implicated each other and confessed to treason.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 后尝语左右： 往周兴、来俊臣等数治诏狱，朝臣相逮引，一切承反。 [/INST] Empress Wu once said to her ministers, "In the past, Zhou Xing, Lai Junchen, and others often received orders to handle cases, and courtiers implicated each other and confessed to treason.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 后尝语左右： 往周兴、来俊臣等数治诏狱，朝臣相逮引，一切承反。
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Empress Wu once said to her ministers, "In the past, Zhou Xing, Lai Junchen, and others often received orders to handle cases, and courtiers implicated each other and confessed to treason.
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