ˊshíㄋㄧㄢˊniánㄕㄨˋshùㄇㄨˋㄅㄞˇbǎiㄋㄧㄢˊniánㄕㄨˋshùㄖㄣˊrén

  1. 栽植樹木需要培養人才需要百年管子·》:莫如樹木終身之計,莫如樹人。」比喻培養人才非常不易培育人才長久之計·楹聯··廨宇》:剛日讀經柔日十年樹木,百年樹人。」

It takes ten years to nurture a tree, but a hundred years to train a man (idiom)​. A good education program takes a long time to develop.