《容斋随笔·卷十三·孙吴四英将》
自古以来，将帅们没有不自以为贤能，妒忌比自己强的。这几位贤者却不然。
自古将帅，未尝不矜能自贤，疾胜己者，此诸贤则不然。
Throughout the ages, there have been no generals or marshals who wouldn't think themselves competent and capable, and jealous of those who are stronger than themselves. However, these sages were different.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 自古将帅，未尝不矜能自贤，疾胜己者，此诸贤则不然。 [/INST] Throughout the ages, there have been no generals or marshals who wouldn't think themselves competent and capable, and jealous of those who are stronger than themselves. However, these sages were different.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 自古将帅，未尝不矜能自贤，疾胜己者，此诸贤则不然。
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Throughout the ages, there have been no generals or marshals who wouldn't think themselves competent and capable, and jealous of those who are stronger than themselves. However, these sages were different.
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