According to Netease cloud music query, the original sentence "devote yourself to the afterlife and think about the cause and effect of peach blossoms" comes from the song "Peach Blossom Promise" sung by G.E.M The lyrics are to the effect that there is no result in this life, so we can only respectfully and sincerely pray for the afterlife.
The lyrics of the theme song of ancient love songs "Peach Blossom Commitment": Love at first sight, vows of eternal love, and the wind blows and clouds surge. During the year, ask what year it is today. Heart has rhinoceros hope, obsession and reincarnation. How many times have flowers blossomed and fallen? There have been stumbles, entanglements and heartstrings in this life.