流年似水水似年浮生若梦梦若生
[liú nián sì shuĭ shuĭ sì nián fú shēng ruò mèng mèng ruò shēng]
Time Flows Like Water and Life Is But a Dream. It’s a philosophical expression about the transient nature of life and how fleeting moments can seem like both endless and short-lived dreams.