The sea and sky meet, and the clouds are two sides, which means the heroic feelings of the vast sky. The clouds on the shore add a distant and ethereal artistic conception, which embodies the poet's romantic feelings.
"Water and sky are one color" comes from Wang Bo's Preface to Wang Tengting in the Tang Dynasty: "The sunset is lonely in Qi Fei, and the autumn water is one color." "Boundless romantic" comes from Zhu's Portrait of Mr. Liu and Mr. Lian in Song Dynasty: "Boundless romantic, green courtyard." Two poems were made into couplets, which made this poem a household name.