Extended data:
Flowers bloom and fall, the earliest source is: "Caigen Tan" "Don't lose face, just watch the flowers bloom and fall in front of the court; Whether to stay or not, clouds roll with the sky ",by Hong Yingming.
Flowers bloom and fall is the most common phenomenon in nature. Life is like flowers blooming and falling. When the flowers bloom, there is splendor, and when the flowers fall, there is sorrow. No one can skip one of these processes.
References:
Baidu encyclopedia-flowers bloom and fall