This poem describes the changing face of Lushan Mountain, and points out that the observation problem should be objective and comprehensive, and if it is subjective and one-sided, it will not reach a correct conclusion.
The first two sentences, "Looking at the mountain from the side is the peak, and the distance is different", are actually what you saw and heard when you visited the mountain. Lushan Mountain is a hilly and gully mountain with undulating peaks and valleys. Tourists are located in different places and see different scenery. These two sentences summarize and vividly write the various forms of Lushan Mountain.
The meaning of this poem is very profound, but the language used is extremely simple. Simplicity is one of Su Shi's linguistic features. Su Shi has no habit of carving when writing poems.
What the poet pursues is to express a fresh and unprecedented artistic conception in simple and fluent language; And this artistic conception, from time to time flashing the light of philosophy. Judging from this poem, the language expression is concise, but the connotation is rich.
In other words, poetic language itself is a high degree of unity of image and logic. In four poems, the poet roughly describes the image characteristics of Lushan Mountain, and accurately points out the reasons why it is irrelevant to see the mountain.
Bright sensibility and clear rationality are intertwined and mutually causal, so the image of poetry is sublimated into a model in the field of rationality, which is why people regard the last two sentences as philosophical epigrams for thousands of times.