《明史·列传·卷七十二》
一旦有紧急情况，如何防御？
一或有警，何以御之？
If there is ever an emergency, how will we defend ourselves?
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 一或有警，何以御之？ [/INST] If there is ever an emergency, how will we defend ourselves?</s>
Identify the key themes in this Classical Chinese text and explain them in English: 一或有警，何以御之？
user
If there is ever an emergency, how will we defend ourselves?
assistant