《资治通鉴·汉纪·汉纪五十四》
在此之前，公孙瓒据守各地的将领中，有人被敌军围困，公孙瓒不肯救援，他说： 如果救了这一个人，会使其他将领以后依赖救援，不肯努力奋战。 
先是瓚别将有为敌所围者，瓚不救，曰： 救一人，使后将恃救，不肯力战。 
Before this, when some of the generals guarding different places for Gongsun Zan were besieged by enemy forces, Gongsun Zan refused to send help, saying: If I save this one person, it will lead other generals to rely on me for help in the future and not fight bravely.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 先是瓚别将有为敌所围者，瓚不救，曰： 救一人，使后将恃救，不肯力战。  [/INST] Before this, when some of the generals guarding different places for Gongsun Zan were besieged by enemy forces, Gongsun Zan refused to send help, saying: If I save this one person, it will lead other generals to rely on me for help in the future and not fight bravely.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 先是瓚别将有为敌所围者，瓚不救，曰： 救一人，使后将恃救，不肯力战。
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Before this, when some of the generals guarding different places for Gongsun Zan were besieged by enemy forces, Gongsun Zan refused to send help, saying: If I save this one person, it will lead other generals to rely on me for help in the future and not fight bravely.
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