旧人旧梦旧时光空人空心空世界
[jiù rén jiù mèng jiù shí guāng kōng rén kōng xīn kōng shì jiè]
'Old People, Old Dreams, Old Times – Empty People, Empty Hearts, Voided Worlds.' An expression of nostalgia for past days contrasted with present loneliness, emphasizing dramatic shifts from vibrant history to current hollowness.