Why is Lu Fangweng's Seven Rhymes "the First Rhyme of All Ages"?

Lu You's poems can be said to have both styles, no matter they are classical, metrical and quatrains, they all have excellent works, among which seven verses are well written. For example, "Jiang Sheng is full of heroic hatred and selfless providence" ("Huangzhou"); "Wan Li GuanHe solitary pillow dream.

Five more storms and four mountains and autumn ("Sleeping Man"); "Moonlight is half a window, and autumn sounds are in the middle of trees" ("Pillow") and so on. These famous sayings, either magnificent or picturesque, are both steady and vivid. In addition to the seven laws

His achievements in poetry creation should be regarded as quatrains, such as Xiuzi, Jianmen Road Encountered with Light Rain, Feeling of Going Out of the Hedge Gate to Meet the Cold in Autumn Night, Chuncheng, Sleeping on a Boat in the Cold Rain till Dusk and so on. , are worthy of quatrains.