《搜神记·卷六》
有人议论说： 善于谈论大自然的，一定以人事为本体，善于评判人事的，一定以大自然为基础。
说曰： 善言天者，必质于人；善言人者，必本于天。 
Some say: Those who are skilled at discussing nature take human beings as the base, and those who are skilled at judging human nature certainly take nature as the foundation.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 说曰： 善言天者，必质于人；善言人者，必本于天。  [/INST] Some say: Those who are skilled at discussing nature take human beings as the base, and those who are skilled at judging human nature certainly take nature as the foundation.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 说曰： 善言天者，必质于人；善言人者，必本于天。
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Some say: Those who are skilled at discussing nature take human beings as the base, and those who are skilled at judging human nature certainly take nature as the foundation.
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