Beauty, the speaker insists, can't be pinned down. It won't fit inside a neat category, and it won't settle politely at your dinner table. The poem opens by addressing "you," which makes it feel like a gentle scolding of anyone who thinks beauty should be easy to see, easy to define, or made for their comfort.
To make the point, the speaker piles up images from nature. Beauty is wild like wind and lush like green growth. It flows like a river but is also solid like a mountain, so it's both changing and steady. The poem ends by calling it as vast and layered as the earth itself, and says flatly that it is "not for your convenience."
The speaker sounds firm, a little impatient, but also full of awe. The sharp "No!" in the middle breaks the calm and adds energy. The overall mood is bold and admiring, pushing the reader to look past what is tidy and expected.