Judging from this sentence, the relationship between spring rain and the earth is gentle, because spring rain is natural and the earth can be full of vitality. Describe the teacher's cultivation of students in obscurity and imperceptibly.
"Sneaking into the night with the wind, moistening things silently" comes from Du Fu's poem Delighting in Rain on a Spring Night;
Good rain knows the season, when spring comes.
Sneak into the night with the wind, moisten things silently.
The wild path is dark, and the river is bright.
Look at the red and wet place, the flowers in Jinguancheng are heavy.
From the perspective of the whole poem, we can understand Du Fu's rain-loving mood, his delicate brushwork and wonderful description, and the emotional expression of the whole poem highlights the author's love for life.