The moral is: although life is impermanent and there are many changes between people, don't worry, mountains and rivers will meet and will definitely meet somewhere. It means that there is no banquet that never ends between people, but they will meet again one day. The world is big and small.
Mountains and seas have their own return dates, and storms have their own encounters. If the meaning is difficult, the source will eventually be reconciled.
Mountains and seas have their own return dates, and storms have their own experiences. It is regarded as a classic by Li Shangyin's Notes on a Rainy Night. When you ask about the return date, it's hard to say, evening rain, Manqiuchi. When * * * cut the candle at the west window, but talk about the rain at night.
The first two sentences of this poem, with questions and answers and descriptions of the surrounding environment, express the lonely feelings and deep thoughts of his wife Wang. The last two sentences imagine the joy of meeting again in the future and compare with the loneliness tonight. This poem is improvised, showing the twists and turns of the poet's feelings in an instant. The language is concise, and there is no trace of modification in the wording and sentence making.