Why is autumn a sad season?

Since ancient times, every autumn has been sad and lonely. Everything moves from vitality to death, and the bright and vibrant colors are replaced by scenes of small sand, which naturally makes people sad.

Explain the reason: the grass and trees are all soldiers, heartless, still decadent and falling apart. Artificial animals are the most spiritual of all things. Endless troubles torment his mood, and countless trivial troubles make his body exhausted; If you trouble yourself, you are bound to lose energy. What's more, often thinking about things that one's own strength can't do and worrying about things that one's own wisdom can't solve will naturally make one's bright red and moist skin become old and haggard, and his black and shiny beard and hair become white and mottled.

(Man is not a stone) Why fight for Rong Sheng with a body that is not a stone like a plant? We should carefully consider who has brought us so much suffering, so why should we hate this autumn sound? "