Beishan is a seven-character quatrain written by Wang Anshi, a politician in the Northern Song Dynasty. The leisurely artistic conception embodied in this poem expresses the poet's transcendental feelings of detachment from the world and unimpeded. There is a sentence or two about full of green, a pond in Beishan, which has a deep feeling and expresses its love for spring. The writer carefully counted the fallen flowers, slowly found the grass, and came home late, showing a leisurely mood in the detailed description.