旧人故城痴人说梦
[jiù rén gù chéng chī rén shuō mèng]
'Jiu ren gu cheng chi ren shuo meng', roughly translated as 'The dreamer tells dreams of old people and the ancient city'. It gives off poetic sentiment related to reminiscing old days, places, lost love, etc. - a nostalgic longing.