百年树人 (百年樹人) bǎi nián shù rén

bǎi nián shù rén set phrase It takes ten years to nurture a tree, but a hundred years to train a man; a good education program takes a long time to develop
Domain: Idiom 成语
Notes: (CC-CEDICT '百年樹人')

Also contained in

十年树木,百年树人