南城以南念旧人北城以北念佳人
[nán chéng yĭ nán niàn jiù rén bĕi chéng yĭ bĕi niàn jiā rén]
Expresses a sense of nostalgia and admiration for people from both southern and northern cities. The phrase implies reminiscing about past lovers or cherished ones, symbolizing the contrast between two distant places but united by feelings.