一夕一绽一缕芳一生一叹一沙痕
[yī xī yī zhàn yī lǚ fāng yī shēng yī tàn yī shā hén]
This beautifully constructed phrase describes the ephemerality of life with a sense of impermanence - a scent lasts only briefly; just like one sigh in a lifetime can be as fleeting as the mark left by a single grain of sand.