shí​nián​shù​mù​bǎi​nián​shù​rén

it takes ten years to grow a tree, but a hundred to cultivate a person

十年树木,百年树人 十年樹木,百年樹人 shí​nián​shù​mù​bǎi​nián​shù​rén
it takes ten years to grow a tree, but a hundred to cultivate a person
A proverb meaning that nurturing talent is a long-term project that requires patience and effort. It suggests that while growing timber takes time, the education and development of human beings is a far more profound and enduring task.