《论衡·卷二十二·订鬼篇》
人出生以后，阴阳之气齐备，所以骨肉坚强，精气旺盛。
人之生也，阴、阳气具，故骨肉坚，精气盛。
After a person is born, yin and yang qi are complete, resulting in strong flesh and blood and a vigorous mind.
<s>[INST] Kindly elucidate the central themes in this passage in English: 人之生也，阴、阳气具，故骨肉坚，精气盛。 [/INST] After a person is born, yin and yang qi are complete, resulting in strong flesh and blood and a vigorous mind.</s>
Kindly elucidate the central themes in this passage in English: 人之生也，阴、阳气具，故骨肉坚，精气盛。
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After a person is born, yin and yang qi are complete, resulting in strong flesh and blood and a vigorous mind.
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