Life is only a matter of seconds, and it is easy to live and die. The sun and moon go through vicissitudes of life, and the flowers bloom undefeated and the full moon grows.

Please help me explain

Please help me explain the meaning of this poem

The time you live in this world is very short and can only be counted on your fingers. It is not easy to be reincarnated into the next life by chance, die and suffer from illness. The sun and the moon are endless reincarnations. The flowers are blooming. Thank you for enlightenment. The moon is not round. The cycle of reincarnation is still going on, so we must cherish the time we are alive. He wrote this poem backwards, with the last two sentences in front, which are more emotionally associative