The poem that expresses the purpose of "rain" in "Rain Theory" is: Rain said: I came to the earth to be close to you, and I was a guest in April, bringing the baptism of spring.

Introduction to the work:

Rain Theory is selected from Selected Poems of Zheng Chouyu by Zheng Chouyu. This poem was written in 1979 and published in1Taipei United Daily News on April 28th, 980. It is fresh and lively, clear and lasting. It is a children's song suitable for all ages and one of Zheng Chouyu's outstanding works. It describes the scene of spring returning to the earth after rain and everything thriving. It praises "timely rain", which is a "love song" sung by the poet for the children in China through the spring rain. Selected into the experimental textbook of compulsory education curriculum standard published by People's Education Publishing House.

About the author:

Formerly known as Zheng, a modern poet. Known as the "prodigal poet". Born in Ninghe, Hebei Province, 1933 Jinan, Shandong Province. 1949 went to Taiwan Province province with his father. Graduated from Hsinchu Middle School. Currently living in the United States, Professor of East Asian Literature Department of Yale University. /kloc-at the age of 0/5, she published her first novel, Miner. 1955 published the first book of poetry, On Dreamland. His masterpieces are Mistake and Sailor's Knife. And "Error" is known as "the swan song of modern lyric poetry".