南故笙烟北顾萧寒
[nán gù shēng yān bĕi gù xiāo hán]
A poetic phrase evoking nostalgia ('Nan Gu') associated with warm south scenes while reflecting on colder northern landscapes ('Beigu'). Symbolically contrasts between past warmth/happiness versus present solitude/coldness, suggesting emotional and geographical transitions or memories.