1. The textbook for Grade 6 compiled by Baiyunquan Department is the sixth volume of Grade 6 Chinese, the second page of three ancient poems in Lesson 10 and the materials for preparing lessons.

2. Bai Juyi's "Baiyun Spring": Baiyun Spring is on Tianping Mountain, and there is no water in the clouds. Baiyun Spring, why did you rush down the mountain to the waves of many things in the world? The lyric hero of this poem is an official who is indifferent in thought, carefree in spirit, eager to get rid of the secular world and has the idea of retiring from the world.