The whole poem has three parts. The first section shows the poet's yearning for a simple, simple and free life realm and his spirit of exploring "eternity" and the unknown world. The second section is the poet's uncontrollable joy after finding happiness. The third section is the poet's blessing to the world. The poet combines direct expression with hints and symbolism, making the whole poem clear and profound, clear and implicit, carefree and dignified, rich and colorful, and expressing the poet's yearning for happiness and loneliness.