After reading this poem, the first reaction in my mind is "purity". Purity not only means no impurities, but also means high concentration. I have an opinion that there is no physical basis, but when things are highly concentrated, they will glow, be radioactive, and have unrestrained or rushing internal tension. This little poem has these characteristics. It is pure, so it is luminous, radioactive and has an inherent surging trend.
There are no impurities at all, that is to say, just like a good painter painting, there are many elements that should be there and not many elements that should not be there. I'm too lazy to say anything. Wash and practice.
The reason why this poem is condensed is that it only takes five strokes to roll up the clouds and waves described by a dusk scene. If you want to have a relationship within a square inch, you must be responsible for every word. These five sentences, indeed, are not idle. Every sentence has an action. After reading five sentences, it gives people a feeling of tension. This feeling comes from the poet's use of verbs. The sunset is rolling, not setting. Birds are flying, not patting. The darkness of the sky comes instantly, giving people a sense of movement. The night is like a flood, and the darkness echoes, which is also an active gesture. According to my personal imagination, the thick night rushed to the mountain wall and reflected back, really like an echo. Several verbs all the way down in one go, huddled together, and together with * * * constitute a dynamic dusk scene, which makes the original beautiful picture show a strong character.
So, what is the light of this poem? It is a person full of vigor and vitality, giving people a distinct aesthetic feeling.
In addition, the poet also creatively creates images. For example, the role of a bird is realistic, and at the same time, the poet gives it symbolic meaning, symbolizing the flight of time, killing two birds with one stone, which increases the simplicity and fullness of poetry.