《旧五代史·其它·僭伪列传二》
唐朝咸通年间，宰相韦宙出镇南海时，刘谦当时任牙校，职位级别很低，但神态相貌特别异常，韦宙便将侄女嫁给他，韦宙的妻子认为门户不配，坚决阻止，韦宙说： 这人不是一般常人，以后我的子孙或许还要依靠他呢！ 
唐咸通中，宰相韦宙出镇南海，谦时为牙校，职级甚卑，然气貌殊常，宙以犹女妻之。妻以非其类，坚止之，宙曰： 此人非常流也，他日我子孙或可依之。 
During the Xiantong period of the Tang Dynasty, when the prime minister Wei Zou was sent to Nanhai, Liu Qian was a low-ranking officer. However, he had an extraordinary appearance, so Wei Zou married his niece to him. Wei Zou's wife thought it was a mismatch and firmly opposed it. However, Wei Zou said: "This man is not an ordinary person. Perhaps my descendants will have to rely on him in the future!"
<s>[INST] Kindly elucidate the central themes in this passage in English: 唐咸通中，宰相韦宙出镇南海，谦时为牙校，职级甚卑，然气貌殊常，宙以犹女妻之。妻以非其类，坚止之，宙曰： 此人非常流也，他日我子孙或可依之。  [/INST] During the Xiantong period of the Tang Dynasty, when the prime minister Wei Zou was sent to Nanhai, Liu Qian was a low-ranking officer. However, he had an extraordinary appearance, so Wei Zou married his niece to him. Wei Zou's wife thought it was a mismatch and firmly opposed it. However, Wei Zou said: "This man is not an ordinary person. Perhaps my descendants will have to rely on him in the future!"</s>
Kindly elucidate the central themes in this passage in English: 唐咸通中，宰相韦宙出镇南海，谦时为牙校，职级甚卑，然气貌殊常，宙以犹女妻之。妻以非其类，坚止之，宙曰： 此人非常流也，他日我子孙或可依之。
user
During the Xiantong period of the Tang Dynasty, when the prime minister Wei Zou was sent to Nanhai, Liu Qian was a low-ranking officer. However, he had an extraordinary appearance, so Wei Zou married his niece to him. Wei Zou's wife thought it was a mismatch and firmly opposed it. However, Wei Zou said: "This man is not an ordinary person. Perhaps my descendants will have to rely on him in the future!"
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