北有沧言南有孤瑜
[bĕi yŏu cāng yán nán yŏu gū yú]
This name contrasts two unique individuals or situations between the North and the South - 'Cang Yan' (wise speech) in the North and 'Gu Yu' (lonely jade) in the South. This reflects on duality or contrast in personality or location-based experiences.