life-giving spring breeze and rain—salutary influence of education; the stimulating (/kindly) influence of a good teacher
❍ 有如时雨化之者。(《孟子·尽心上》) There are some on whom his influence descends like seasonable rain.
春风化雨chūn fēnɡ huà yǔ
适宜植物生长的风和雨。比喻良好教育的普遍深入，也用于指师长的教诲。the kindly influence of a good teacher, salutary influence of education, life-giving spring breeze and rain