南有孤瑜北有沧言
[nán yŏu gū yú bĕi yŏu cāng yán]
The south has lonely jade, and the north has weathered words. The phrase implies a person who is both valuable like Jade (孤瑜) and carries stories as vast as North’s landscape (沧言), evoking a sense of preciousness and historical profundity.