Li Shangyin's "to see the sun, for all his glory, buried by the coming night" is a kind of loneliness that is about to disappear;
Yan Shu's "helpless flowers, small garden fragrance path wandering alone" is a kind of helpless loneliness;
Li Yu's "How much sorrow can there be, just like a river flowing eastward" and "The old country is unbearable to look back on the bright future"
This is the loneliness of a fallen king.
Ordinary people are lonely, and so are people with lofty ideals.
Qu Yuan was exiled, wandering by the river, feeling that the world was muddy, and I was alone, which was a profound loneliness.
Jia Yi is in Changsha, feeling the autumn wind rustling and falling leaves, which is a kind of loneliness without talent;