shí nián shù mù , bǎi nián shù rén
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.
zhǐ jiàn shù mù bù jiàn sēn lín
unable to see the wood for the trees
fig. only able to see isolated details, and not the bigger picture
shí nián shù mù , bǎi nián shù rén
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.