Where does the poem "Sleeping in the sand and lying in the water is like a ball, and the setting sun is extremely floating on the winding bank" come from?

"Sleeping in the sand and lying in the water is a ball, and the winding bank is extremely cloudy." From Li Shangyin's seven-character quatrains in the late Tang Dynasty, entitled Goose, the whole poem is:

Title goose

Author: Li Shangyin

Sleeping in sand and water is like a ball, and the winding shore is extremely cloudy.

Solution will pity Kong Cui, women will grow, so men will divide.