《左传·僖公·僖公七年》
郑国有叔詹、堵叔、师叔三个贤明的人执政，还不能去钻它的空子。 
郑有叔詹、堵叔、师叔三良为政，未可间也。 
Zheng has three capable persons in power, Shu Zhan, Du Shu and Shi Shu, so you cannot take advantage of its loopholes.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 郑有叔詹、堵叔、师叔三良为政，未可间也。  [/INST] Zheng has three capable persons in power, Shu Zhan, Du Shu and Shi Shu, so you cannot take advantage of its loopholes.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 郑有叔詹、堵叔、师叔三良为政，未可间也。
user
Zheng has three capable persons in power, Shu Zhan, Du Shu and Shi Shu, so you cannot take advantage of its loopholes.
assistant