《三国志·魏书·程郭董刘蒋刘传》
程昱不肯接受，说： 袁绍拥有十万士兵，自认为前进不会有阻挡。
昱不肯，曰： 袁绍拥十万众，自以所向无前。
Cheng Yu refused to accept, saying: Yuan Shao has 100,000 soldiers, and he thinks that there will be no obstacles to his advance.
<s>[INST] Kindly elucidate the central themes in this passage in English: 昱不肯，曰： 袁绍拥十万众，自以所向无前。 [/INST] Cheng Yu refused to accept, saying: Yuan Shao has 100,000 soldiers, and he thinks that there will be no obstacles to his advance.</s>
Kindly elucidate the central themes in this passage in English: 昱不肯，曰： 袁绍拥十万众，自以所向无前。
user
Cheng Yu refused to accept, saying: Yuan Shao has 100,000 soldiers, and he thinks that there will be no obstacles to his advance.
assistant